Uppers Gun Parts
(618 deals total)
- Uppers
from $1,360.26
UPC:
810081133722
MPN:
08-544B
Caliber:
223/5.56
Barrel Length:
11.5"
Finish:
Anodized
from $1,450.00
UPC:
810081133951
MPN:
08545S
Caliber:
223/5.56
Barrel Length:
12.5"
Finish:
Desert Dirty, Anodized
from $1,029.95
UPC:
815604019606
MPN:
23-128-00275-047
Caliber:
223/5.56
Barrel Length:
11.5"
Finish:
Black
from $125.00
UPC:
816701017625
MPN:
110BILLET
Caliber:
223/5.56
Model:
Billet
Description:
Stripped
from $510.60
UPC:
603784000176
MPN:
M9-00-G1
Caliber:
9mm
Barrel Length:
5.5"
Finish:
Black
from $257.83
UPC:
729205554735
MPN:
BU-45ACP-4
Caliber:
45 ACP
Barrel Length:
4 in
Finish:
Black
from $488.88
UPC:
697067883327
MPN:
BRO-SR-300BLK-CU10-02
Caliber:
300 BLK
Barrel Length:
10.5"
from $289.79
UPC:
850078799326
MPN:
OHCU05
Caliber:
300 BLK
Barrel Length:
10.5"
Finish:
Matte Black
from $171.15
UPC:
810084374191
MPN:
D207
from $1,252.59
UPC:
817953023198
MPN:
08-159
Caliber:
223/5.56
Barrel Length:
14.5"
Finish:
Anodized
1 month ago
Get a top-notch, ready-to-assemble upper for your gun that's chock full of high-quality components when you buy the American Defense Manufacturing 5.56 14.5 Inch Barrel M-Lok Rail Upper Reciever. Built with a Criterion 14.5-inch barrel, these AR15 Upper Receivers by American Defense Manufacturing also include a Raptor charging handle and a Mil-Spec Bolt Carrier Group. The American Defense Manufacturing 5.56 14.5in Criterion Barrel M-Lok Rail Upper Receiver is the top choice for Mil-Spec builds, shooting 5.56 NATO, and carbines with Carbine Bolt Carrier Groups (BCG).
- UPC: 818503015885
- MPN: UICCUBLK14M2MLOK
1 month ago
FEATURES
• Machined from billet 7075-T6 aluminum
• Hardcoat anodized
• Engraved T-marks and 1913 picatinny rail
• Increased wall thickness
• Precision cut carrier bore diameter
• .458 SOCOM sized ejection port
• No forward assist, shell deflector, or dust cover
• Compatible with Bear Creek Arsenal and Young Mfg. side charging BCGs
• Dual charging capabilities with standard charging handle
• M4 feed ramps
• Compatible with Mil-Spec lowers and parts
SPECIFICATIONS
Weight 7.7 oz
Finish Anodized Black
Forward Assist Not Compatible
Port Door / Dust Cover Compatible
- UPC: 000000018104
- MPN: UPUR-3A
1 month ago
The Expo Arms Billet AR-15 Slick Slide Upper Receiver is a high quality upper perfect for your next build. Precision machined from lightweight 6061-T6 billet aluminum with a heavy duty Type III hardcoat anodized finish. Compatible with MIL-SPEC lowers and accessories, the slick side upper is a great choice for your build.
Features:
- Precision machined 6061-T6 aluminum billet
- Type 3 Hardcoat anodized finish
- Dimpled for anti-rotation handguards
Specifications:
Brand: Expo Arms
Color: Black
Feed Ramps: M4
Finish: Hardcoat Anodized
Forward Assist: Incompatible
- MPN: XP-UPPER-AR15-B
1 month ago
This Noveske N4 Complete AR-15 Upper Assembly comes fully assembled and ready to drop onto any standard AR-15 lower receiver. The N4 upper is a precision machined billet receiver from 7075-T6 with extended feed ramps. The upper is finished with Hardcoat type III anodizing, with Cerakote ceramic black coating for the ultimate finish and performance. Additional features include a pinned Switchblock gas block, a Pig Pen suppressor compatible flash hider, and a shot-peened, MP-tested bolt housed within a Mil-Spec bolt carrier.
- UPC: 840906135273
- MPN: 03002568
1 month ago
This Andro Corp Industries 300 Blackout AR-15 Complete Upper has an 8-inch-long Chrome Moly Vanadium barrel with a 1-7 twist rate. It includes a slim, M-LOK hand guard, to easily include your favorite add-ons to the rifle. This upper with T-marks has been made of 7075 T6 Mil-Spec aluminum, then dry film lubed to ensure corrosion resistance. Andro Corp Industries 300 Blackout Complete AR15 Upper is a dependable choice made with Mil-Spec parts and a full auto rated MPI/HPT M16 Bolt Carrier Group with nitride finish for increased reliability.
Features:
- 300 Blackout
- MPN: U3008ML
1 month ago
Elevate your AR build with the Noveske Upper Complete 4th Generation Noveske9 9mm 10.5 Shorty SS BLK 1/2×28, a precision-engineered powerhouse designed for compact power and unmatched reliability. Perfect for enthusiasts seeking a high-performance pistol caliber carbine (PCC) upper, this 10.5-inch 9mm AR upper delivers smooth direct blowback operation in a lightweight, maneuverable package. Whether you’re customizing a personal defense pistol or building a dedicated 9mm platform, the Noveske9 sets the standard for quality and accuracy in the tactical firearms world.
Key Features:
- UPC: 840906121436
- MPN: 3000444
2 months ago
SKU 51655207703
Brand Palmetto State Armory
DETAILS
Direct Blowback Operating System
8620 Front Trunnion
17-4 Stainless Steel Bolt Carrier Group
Monolithic 6105 Receiver; Flat Dark Earth
6.5” 9MM Nitride 4150V Chrome Moly Steel Barrel
Twist Rate: 1 in 10”
Thread Pitch: 1/2 x 28
A2 Style Flash Hider
*Must be used with JAKL buffer system found on PSA JAKL 9MM lower or lowers built with a PSA JAKL 9MM lower build kit. Failure to use the PSA JAKL proprietary buffer system may result in damage to the JAKL upper and lower.*
FEATURES
PSA JAKL 9mm Uppers are now available!
2 months ago
This Dirty Bird Industries Complete Upper features a Black Nitride 10.5” Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier Forged Upper Receiver and finished with Dirty Bird’s 9.7″ SMRS M-LOK V2 or V3 Handguard available in several color options. No corners are cut when manufacturing these complete uppers. All barrels are dimpled and cold blued, use a .750 black nitride 4140 steel gas block and a carbine stainless steel gas tube.
- UPC: 810084371244
- MPN: D104-1
2 months ago
$169.95
Finally get a quality, true-to-form reproduction M16A1 Upper Receiver for a fraction of the cost. Building off of the popular stripped version of this Upper Receiver, we are happy to announce the M16A1 Assembled Upper Receiver. These are machined from 7075-T6 forgings specifically designed to have the correct proportions and profile of the original M16A1 Upper Receiver. They are then installed with a Mil-Spec Dust Cover, a Teardrop Forward Assist, and a Rear Sight. Machine work is performed by true craftsmen with careful attention to detail.
- UPC: 810084374160
- MPN: D207
2 months ago
– Manufacturer: Radian Weapons
– Model: Model 1 Builder Kit Billet Upper-Lower Set
– Caliber: 223/5.56
– Features: 8.5in MLOK Handguard
– Type: Upper / Lower
– Finish: FDE
- UPC: 817093024215
- MPN: R0438
2 months ago
Brand: Panzer Arms
Model: AR57 ULT
Product Type: Upper Receiver
Caliber: 5.7x28mm
FEATURES
AR57 12" Complete ULT M-LOK Upper, AR57 Mfg, Factory new. Comes with a 12" lightweight barrel with M-LOK rails. This AR57 Upper Receiver Assembly converts any AR-15 lower to a rifle capable of shooting 5.7x28 ammunition. The unique upper design loads from the top and ejects downward through the AR-15 mag well. The new generation upper has a stronger, lighter, and more streamlined rail; finished with a beautiful ultra-smooth melonite black coating. Comes with one 50-round magazine.
- UPC: 051497388553
- MPN: AR57ULT-12
2 months ago
SKU 5165448513
Brand Palmetto State Armory
Model Number 5165448513
UPC 5165448513
DETAILS
PSA 16" MID-LENGTH 5.56 NATO 1:7 NITRIDE 13.5" LIGHTWEIGHT M-LOK UPPER - WITHOUT BCG OR CH
- Barrel Length: 16"
- Gas System: Mid
- Barrel Profile: A2
- Barrel Steel: 4150 Chrome-Moly Vanadium
- Barrel Finish: Nitride
- Chrome Lining: None
- Muzzle Thread: 1/2-28
- Chamber: 5.56 NATO
- Twist Rate: 1:7
- Barrel Extension: M4
- Diameter at Gas Block: .750
- Gas Block Type: Low-profile
- Muzzle Device: A2 Flash Hider
- Receiver Material: Forged 7075 T6
- Receiver Type: M4
- UPC: 005165448513
- MPN: 5165448513
2 months ago
The Next Step For The AR15
The G4 Stripped Upper brings Gibbz precision on your existing platform, with your existing
barrel. Featuring a left side, non-reciprocating side charging handle; beveled ejection port, rear
bolt carrier door, and charging handle cover, this upper brings the Gibbz pursuit of perfection to
your favorite existing rifle.
Specifications for G4 Stripped Upper
- Enlarged Ejection Port will work with AR15 calibers from 22LR to 50 Beowulf
- GIBBZ Arms Patented Pending Left Side Charging Handle
Gibbz Arms
160
2 months ago
Own a piece of firearm history from the makers of the world's most battle-proven firearms. The FN 15 Military Collector Series M16 upper receiver assembly is an authentic reproduction of the original, made to FN's and the U.S. military's exacting specifications. A 20-inch, 1:7 RH, button-broached barrel is chrome-lined and chambered in 5.56x45mm NATO. The upper is furnished with a complete M16-style MIL-SPEC bolt carrier group, including a HPT/MPI-tested bolt made from Carpenter 158 steel.
- UPC: 845737017354
- MPN: 36320-06
2 months ago
Upgrade your AR-15 build with the NBS AR-15 Minimalist Billet Upper Receiver, a precision-crafted component designed for enthusiasts seeking a lightweight, streamlined foundation for their custom rifle. Machined from high-quality 6061 aluminum and finished in durable black anodizing, this upper receiver strips away unnecessary features to deliver exceptional balance and performance without compromising on strength or reliability.
Key Features
AR15Discounts
186
2 months ago
PSA 8.5" Pistol-Length 5.56 NATO 1/7 Nitride 10.5" Lightweight M-Lok Upper - With BCG & CH - $319.99
$319.99
SKU 5165451263
Brand Palmetto State Armory
Model Number 5165451263
UPC 5165451263
DETAILS
Barrel Length: 8.5"
Barrel Profile: Heavy
Gas System: Pistol-length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
Muzzle Device: PSA Fluted Flash Can
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 10.5" Lightweight M-Lok Free Float Rail
Bolt Carrier Group Included: Yes
- MPN: 5165451263
2 months ago
The Aegis 14.5-inch Carbine-Gas 5.56 NATO AR-15 Pistol Upper Build Kit from Davidson Defense is engineered for functionality and reliability. This upper build kit features a 14.5-inch barrel crafted from 4150 CrMoV steel, with a Government profile and a 1:7 twist rate, suitable for stabilizing a range of bullet weights. The carbine gas system and a 0.750 gas block size ensure optimal gas flow for consistent cycling.
2 months ago
The Geissele URG-I Upper 14.5-inch configuration is a near-clone of the USMC's URG-I upper receiver group — built to the same specifications and assembled with the same Geissele-quality components that make the military version the standard for serious operational use. For shooters who want a complete URG-I 14.5 upper that replicates the current USMC configuration in Desert Dirt Color, this is the most authentic civilian-available version of that setup.
- UPC: 817953023198
- MPN: 08-159
2 months ago
The Radical Firearms 16" Heavy Barrel contour profile 7.62x39 is a complete MIL-STD upper ready to drop on your lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with the 15" RPR free float rail system for increased accuracy and keeping your hands cool. No matter what your style of shooting is, Radical Firearms has you covered.
UPC: 816903024285
Manufacturer: Radical Firearms
Manufacturer Part #: RF00397
Type: Upper
Caliber: 7.62x39
Barrel Length: 16"
Color: Black
Type of Barrel: 1:10
Description: MLOK
- UPC: 816903024285
- MPN: RF00397
2 months ago
Black Rain Ordnance, SPEC15 Forged Aluminum Upper Receiver, 16" 4150 Chromoly Carbine Length Gas Barrel, A2 Fixed Front Sight, Mil-Spec Phosphated BCG, "LET IT RAIN" Dust Cover
UPC: 681565228193
Manufacturer: Black Rain Ordnance
Manufacturer Part #: BRO-SPEC15-CU16-A2
Model: SPEC15
Type: Upper
Caliber: 5.56 NATO
Barrel Length: 16"
Color: Black
Subcategory: Complete Upper Receivers
- UPC: 681565228193
- MPN: BRO-SPEC15-CU16-A2
2 months ago
,
by Dealer
Details
Davidson Defense Warden 16.5" 5.56 NATO Complete Upper Build | 4150 CMV Nitride "Satellite" | Mid-Gas | 15" Keymod Freefloat
Davidson Defense
1282
2 months ago
Built for dependable rifle setups, this 16-inch 5.56 NATO complete upper combines a SOCOM-profile barrel, mid-length gas system, and 15-inch free-float M-LOK handguard for balanced performance and accessory flexibility. The included nitride bolt carrier group and charging handle make it a ready-to-mount option for Mil-Spec AR-15 lowers, while the full-length Picatinny rail gives you plenty of room for optics and other sighting accessories.
Features
15-inch free-float M-LOK handguard with full-length Picatinny top rail
Clamp-on handguard system with steel barrel nut and screws
- UPC: 850078799289
- MPN: OH-CU01
2 months ago
SKU 51655207354
Brand Palmetto State Armory
DETAILS
Barrel Length: 16"
Gas System: Mid-length
Barrel Profile: A2
Barrel Steel: 4150V Chrome Moly
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1 in 7"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: Low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 13.5" Hex Full Picatinny M-Lok Rail, ODG
Bolt Carrier Group Included: No
Charging Handle included: No
Overall Length: 24.5"
FEATURES
2 months ago
This combo pairs a compact One Horse 7.5″ 5.56 SOCOM complete upper with the Atrius Development 3 Position Super Selector Safety for a setup built around maneuverability, responsive handling, and durable performance. The upper includes a 7.5-inch 5.56 NATO barrel, 7-inch M-LOK handguard, nitride-finished bolt carrier group, and charging handle, giving builders a ready-to-mount solution for compact AR-15 configurations.
2 months ago
$299.95
This combo pairs the One Horse 7.5″ 5.56 SOCOM complete upper with the Vortex Triumph 2 MOA Red Dot Sight for a compact AR-15 setup focused on maneuverability and quick sight acquisition. The upper includes a 7.5-inch 5.56 NATO barrel, 7-inch M-LOK handguard, nitride-finished bolt carrier group, and standard charging handle, while the optic adds a crisp 2 MOA dot, unlimited eye relief, and a durable design built for real-world use. Together, they create a straightforward package for shooters who want a compact, ready-to-configure setup with dependable performance and fast handling.
Features
2 months ago
This bundle pairs a One Horse 16-inch 5.56 SOCOM complete upper with the Vortex Venom 1-6×24 LPVO for a balanced AR-15 setup that is equally at home on the range, in training, or in a practical field role. The upper provides a solid foundation with a mid-length gas system, 15-inch free-float M-LOK handguard, nitride bolt carrier group, and charging handle, while the optic adds fast 1x handling, usable 6x magnification, and an illuminated AR-BDC3 reticle for quick target acquisition and more confident holds at distance.
2 months ago
Upgrade your AR-15 build with the NBS Premium Series 14.5″ 5.56 NATO Upper Assembly featuring the CMT UHPR Mod 2 HDX handguard. Engineered for precision shooting and tactical reliability, this complete upper delivers exceptional performance in a compact package, ideal for home defense, range sessions, or competitive builds. With its mid-length gas system and high-quality components, experience smoother operation and reduced recoil for faster follow-up shots.
Key Features
2 months ago
SKU: 31055
Step back in time and build with authentic precision using the Luth-AR A1 Stripped AR-15 Upper Receiver in Slick Side configuration. Ideal for retro enthusiasts and custom builders seeking the classic lines of early M16-style rifles, this forged upper delivers lightweight durability without unnecessary modern features. Crafted for those who value historical accuracy and streamlined performance, it’s the foundation for your next vintage-inspired AR-15 build.
Key Features
- UPC: 812058031284
- MPN: UR-01-E3-S
2 months ago
SKU 51655164088
Brand Palmetto State Armory
DETAILS
Barrel Length: 16"
Barrel Profile: A2
Barrel Steel: Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread Pattern: 1/2" x 28
Twist Rate: 1 in 7"
Barrel Extension: M4
Gas System Length: Midlength
Diameter at Gas Block: .750"
Gas Block Type: F-marked Front Sight Base
Muzzle Device: A2 -style
Receiver Material: Forged 7075-T6
Receiver Type: M4
Handguard Type: Mid-Length Classic with heat shields, FDE
BCG: No
Bolt Material: N/A
Bolt Carrier Profile: N/A
Charging Handle: No
FEATURES
- MPN: 51655164088
2 months ago
SKU 51655155576
Brand Palmetto State Armory
DETAILS
Barrel Length: 20"
Gas System: Rifle Length
Barrel Profile: A2 Style
Barrel Steel: 416R
Barrel Finish: Stainless Steel
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 15" Hex Full Picatinny M-Lok Free Float Rail
Bolt Carrier Group Included: No
Charging Handle Included: No
FEATURES
- MPN: 51655155576
2 months ago
This Barreled 16 inch M-LOK upper receiver comes with our RTB 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel.
Barrel:
LENGTH - 16"
MATERIAL - 4150 CHROME MOLY VANADIUM
11-DEGREE TARGET CROWN - FURTHER IMPROVE ACCURACY
PROFILE - M4
FINISH - QPQ CORROSION RESISTANT
GAS SYSTEM LENGTH - CARBINE
GAS BLOCK JOURNAL - .750" GAS BLOCK JOURNAL
TWIST RATE - 1/7 TWIST
MUZZLE - 1/2X28 THREADED
WEIGHT - 28OZ
Upper Receiver:
- MPN: RTBBU-1655612-BLK
2 months ago
,
by Dealer
Product Overview
Our AR-15 Complete Upper delivers precision, reliability, and top-tier performance in a 18″ Midlength versatile package. Built around an 18″ 416R stainless steel fluted barrel chambered in .223 Wylde, this upper is engineered for accuracy — capable of 1 MOA or better with quality match ammunition.
Assembled and test-fired by our armorers at Mid State Firearms, this upper is ready to drop onto any standard AR-15 lower receiver for immediate range use.
Key Features
3 months ago
If you need AR15 Upper Receivers to help you finish your AR build, the P-415 Edge Upper Receiver Assembly was designed to be unstoppable in all environments. Originally developed over 15 years ago, POF USA has been constantly testing, upgrading, and improving the design to perfect it. The P-415 features the E2 Extraction Technology for easy cycling during repeated fire. It also has complete ambidextrous fire controls to cater to both right- and left-hand dominant shooters, ensuring everyone can use it comfortably.image
- UPC: 847313015167
- MPN: 1516
3 months ago
Features:
Barrel: 11.5" Chrome Moly vanadium steel, melonite treated for durability and chambered in 5.56 NATO with a 1 in 7" twist rate. Carbine length gas barrel is finished off with a PSA 10.5" Lightweight M-Lok Rail, a low profile gas block and an A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.
3 months ago
The Xtreme Tactical Sports XTS Stripped AR-15 Upper Receiver is forged to Mil-Spec dimensions and is compatible with a variety of calibers from 5.56 to .300 blackout and even 7.62x39. Constructed out of lightweight and durable aluminum with a hardcoat anodized finish and is great for your first build.
Features:
- Mil-Spec compatible
- Machined from aluminum
- Black anodized
Xtreme Tactical Sports or XTS was founded in 2008 and manufacture high quality products from high quality materials. All things AR-10 and AR-15, XTS has the parts you need.
Specifications
Brand: XTS
- MPN: UPPER-S
3 months ago
Built for compact AR-15 configurations, this 7.5-inch 5.56 NATO complete upper is geared toward close-range use where maneuverability matters. It pairs a 1:7 twist barrel with a 7-inch M-LOK handguard, nitride-finished bolt carrier group, and standard charging handle for a ready-to-mount setup that fits Mil-Spec AR-15 lower receivers.
Features
7-inch M-LOK handguard
Nitride-finished bolt carrier group included
Standard charging handle included
Built to Mil-Spec standards
Made in the U.S.A.
Specifications
Caliber: 5.56 mm NATO
Barrel Length: 7.5 in.
Barrel Profile: Medium
- UPC: 850078799302
- MPN: OH-CU03
3 months ago
,
by Dealer
AR-15 Build Kits (Assembled Upper) now on sale.
Multiple calibers and lengths available — 5.56, .300 BLK, 7.62×39, .223 Wylde, 6.5 Grendel.
Built for easy assembly with reliable, ready-to-go components.
Starting from just $388.79.
$0 (Value $9.99) — FREE GIFT
SHOP NOW →
AR-15 5.56 Nato 16″ Rifle Build Kit (Assembled) – Black — Save $100.00 | Now $399.99
Shooters Gate
213
3 months ago
The Volley Upper Build Kit from Davidson Defense is a 7.62x39 AR-15 upper assembly built around a 16-inch H-Bar barrel with a carbine-length gas system. The kit includes the upper receiver, barrel, and handguard. The bolt carrier group and charging handle are not included.
Key Features
7.62x39 chambering with 16-inch H-Bar carbine-gas barrel
4150 Chrome Moly Vanadium barrel with phosphate finish and 1-in-10 twist rate
5-in-8x24 thread pitch with GI Birdcage flash hider
7075-T6 aluminum upper receiver with anodized finish
15-inch aluminum freefloat M-Lok handguard
- MPN: PI-R-762-64113
3 months ago
SKU 51655238642
Brand Palmetto State Armory
DETAILS
Brand: Palmetto State Armory
Model: PA-15 Upper
Platform: AR-15
Caliber: 5.56 NATO
Barrel Length: 7.5"
Gas Block Diameter: .750"
Gas Bock Type: Low Profile
Barrel Extension: M4
Barrel Description: M4 Profile
Twist Rate: 1:7
Gas System: Pistol Length / Direct Impingement
Muzzle Device: Flash Hider
Muzzle Thread: 1/2 x 28
Receiver Material: 7075-T6 Aluminum
Receiver Finish: Black Anodized
Handguard: 7" Lightweight
Attachment Style: M-LOK
FEATURES
3 months ago
,
by Dealer
$299.00
Professionally assembled Ar15 upper with unthreaded barrel. Whether you just want a crowned barrel or need it nonthreaded for compliance purposes, we’ve got this ar upper available for your ar15 rifle build.
16″ 5.56 NATO 1:8 Nitride barrel
4150 chromoly vanadium cmv barrel
5.56 NATO chamber (shoots 223 also)
Target crown
Mid length gas
.750 gas block diameter
Steel low profile gas block
Stainless gas tube
7075-t6 mil spec aluminum receiver, anodized black
Dust cover
Forward assist
3 months ago
$249.95
SKU: 31870
Discover the ultimate in compact firepower with the One Horse 7.5″ .300 BLK SOCOM Pistol 1:7 M-LOK Complete Upper, engineered for tactical enthusiasts seeking reliability and versatility in a short-barrel AR platform. Founded by a U.S. Army veteran, One Horse Firearms delivers 100% American-made quality, ensuring your build stands up to the demands of close-quarters maneuvers, home defense, or suppressed shooting without compromise.
Key Features
- UPC: 850078799333
- MPN: OH-CU06
3 months ago
Quick Overview
It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item.
SKU: 516446429
UPC: 516446429
MFR#: 516446429
Barrel Length: 10.5"
Barrel Profile: A2
Barrel Steel: Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 5/8-24
Chamber: 300 AAC Blackout
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
- MPN: 516446429
3 months ago
SKU 516446429
Brand Palmetto State Armory
UPC 516446429
DETAILS:
Barrel Length: 10.5"
Barrel Profile: A2
Barrel Steel: Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 5/8-24
Chamber: 300 AAC Blackout
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: A3
Handguard Type: Lightweight M-Lok 9" Free Float Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
- MPN: 516446429
3 months ago
FEATURES:
Barrel: 10.5" 4150V Chrome Moly vanadium steel, nitride coated and chambered in 5.56 NATO with a 1 in 7" twist. Carbine length gas barrel is finished off with a PSA 12" Slant End M-lok Rail, a low profile gas block and a Palmetto State State Armory Fluted Flash Can.
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring a mil-spec finish, these uppers are made for us right here in the USA by a mil-spec manufacturer.
3 months ago
SKU 51655155881
Brand Palmetto State Armory
DETAILS:
Barrel Length: 7.5"
Gas System: Pistol
Barrel Profile: Heavy
Barrel Steel: 4150V Chrome Moly
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 1/2x28"
Chamber: 5.56 NATO
Twist Rate: 1 in 7"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: Low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 7" Hex Full Picatinny M-Lok Rail
Bolt Carrier Group Included: No
Charging Handle included: No
FEATURES:
3 months ago
SKU 5165500368
Brand Palmetto State Armory
Model Number 5165500368
UPC 5165500368
DETAILS
Barrel Length: 20"
Gas System: Rifle-length
Barrel Profile: A2 Style
Barrel Steel: 416R Stainless Steel
Barrel Finish: Stainless
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 15" M-Lok Lightweight Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
- UPC: 005165500368
- MPN: 5165500368
3 months ago
The Faxon Firearms Ascent 5.56 NATO barreled AR-15 upper receiver delivers a high quality, ready-to-install solution for your AR-15 build. Built around a 16-inch Gov/SOCOM profile barrel and a forged 7075-T6 upper receiver, this unit is designed to drop directly onto any mil-spec AR-15 lower. A free-floating 13-inch aluminum M-LOK handguard gives you a clean mounting platform for optics and accessories while maintaining a balanced feel in hand. Backed by a lifetime guarantee from the manufacturer, it’s engineered to stand up to recurring use and still perform reliably.
Features:
- MPN: FX5116-BU
3 months ago
This Noveske N4 Complete AR-15 Upper Assembly comes fully assembled and ready to drop onto any standard AR-15 lower receiver. The N4 upper is a precision machined billet receiver from 7075-T6 with extended feed ramps. The upper is finished with Hardcoat type III anodizing, with Cerakote ceramic black coating for the ultimate finish and performance. Additional features include a pinned low profile gas block, a Noveske Pig Pen suppressor compatible muzzle device, and a shot-peened, MP-tested bolt housed within a Mil-Spec bolt carrier.
- UPC: 840906135129
- MPN: 03002567
3 months ago
$229.99
SKU 51655155043
Brand Palmetto State Armory
DETAILS
Barrel Length: 16"
Gas System: Pistol
Barrel Profile: Heavy
Barrel Steel: 4150V Chrome Moly
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 5/8x24"
Chamber: 300 Blackout
Twist Rate: 1 in 8"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: Low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 13.5" Hex Full Picatinny M-Lok Rail
Bolt Carrier Group Included: No
Charging Handle included: No
FEATURES
- MPN: 51655155043
3 months ago
$50.96
This custom engraved M4 flat top upper receiver is machined to Military Specifications and comes precision engraved with a beautiful high contrasting image: "THIS END TOWARD ENEMY". We use a leading industry 3-axis galvo fiber direct diode laser to produce a permanent etching into the AR15 anodizing that has incredible detail. Spruce up your AR-15 upper with one of our many engraving images and save big!
• Machined from a Mil-Spec 7075 T6 forging
• Type III Hardcoat Anodized finish
• M4 Feedramps
• .250 takedown pin holes
- UPC: 696969697057
- MPN: UENG-M4-001
3 months ago
SKU: 23-145-18027-047
Use Code "FREEAMMO" and get 1000 Rounds of PMC 223 FREE w/ PURCHASE!
- UPC: 815604015431
- MPN: 23-145-18027-047
- Model: Daniel Defense DDM4 Upper Receiver Group
3 months ago
The DDM4 V7 AR15 style Upper Receiver Group is built around a Cold Hammer Forged 16 inch barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a mid-length gas system for smooth, reliable cycling and reduced wear on moving parts. A free-floating MFR 15.0 handguard offers incredible weight savings as well as superior cooling, ergonomics, and modularity while maintaining the strength and durability expected from Daniel Defense.
- UPC: 815604018968
- MPN: 23-128-02339-047
- Model: Daniel Defense DDM4 Upper Receiver Group
3 months ago
The Geissele Super Duty Upper (Stripped) features the quality and workmanship you've come to expect from the Geissele name. At the heart of this stripped upper is a Super Duty upper receiver that mates to an MK16 Super Modular rail via a center aligning tab, removing any chance of rail rotation. This family of rails is renowned by operators for their performance and comfort. It features an in-house, Manganese Phosphate coated, CHF, Chrome Lined barrel. Geissele barrels are precision machined and cold hammer forged, utilizing the highest quality materials available.
- UPC: 817530275095
- MPN: 08-246S
3 months ago
Radical Firearms Complete Upper Assembly
300 Blackout
16" Barrel
1:8 Twist
Black Finish
15" RPR MLOK Handguard
A2 Flash Hider
- UPC: 816903024186
- MPN: CFU16-300HBAR-15RPR
3 months ago
$199.99
SKU 516447044
Brand Palmetto State Armory
Model Number 516447044
UPC 516447044
DETAILS
PSA 8.5" PISTOL-LENGTH 5.56 NATO 1/7 NITRIDE 7" LIGHTWEIGHT M-LOK UPPER W/O BCG OR CH
Barrel Length: 8.5"
Gas System: Pistol Length
Barrel Profile: A2 Style
Barrel Steel: 4150V
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: low-profile
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
- UPC: 000516447044
- MPN: 516447044
3 months ago
Matching sets include an upper receiver and hand guard that's ready to install onto your gun. The matching hand guard includes MLOK mounting points for accessories like lights and lasers, and the upper receiver has a Magpul M-LOK compatible design. Every surface of the hand guard is precision machined and chamfered to ensure no uncomfortable, sharp edges are found. The Cerakote finish gives a perfectly matching finish. The 7075-T6 billet aluminum upper receiver is precision CNC machined as a matching set.
- UPC: 817093024147
- MPN: R0642
3 months ago
Elevate your AR-15 build with the Noveske 4th Generation N4 5.56 Micro Switchblock 10.5″ Shorty Complete Upper Receiver – the ultimate compact powerhouse for tactical enthusiasts seeking precision and reliability in close-quarters scenarios. Engineered for suppressor compatibility and maneuverability, this black-finished upper delivers match-grade performance without compromising on durability, making it ideal for SBR or pistol configurations.
Key Features:
- UPC: 840906135273
- MPN: 3002568
3 months ago
The Maxim Defense MDX508 upper receiver is now available as a direct upgrade to your existing Mil-Spec lower receiver. It features an 8.5" barrel making it ideal for close-quarters situations. The included HATEBRAKE increases reliability and is tucked under the 9.5" handguard. These upper receiver groups ship complete, including a Maxim Defense Mil-Spec or SCW bolt carrier group, Radian Raptor charging handle, and Maxim Defense hand stop, ready to shoot right out of the box.
Features
Increased reliability due to included HATEBRAKE
Armorer level adjustable gas block
- UPC: 680017479084
- MPN: MXM-47908
