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
2 weeks ago
The Fostech Stealth Raptor Builders Kit offers a premium 7" Mach 2 handguard in a striking tungsten finish. Crafted from billet magnesium, this kit is designed for lightweight durability and superior performance. Ideal for custom builds, it combines advanced materials with precision engineering.
Brand: Fostech
Model: Stealth Raptor Builders Kit
Handguard Length: 7"
Finish: Tungsten
Material: Billet Magnesium
Manufacturer Part Number: FOS 10063TU
UPC: 725792577935
- UPC: 725792577935
- MPN: FST10063TU
2 weeks ago
SKU 51655221925
Brand Palmetto State Armory
DETAILS
Barrel Length: 8"
Barrel Profile: Taper
Gas System: Pistol-length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Phosphate
Chrome Lining: Yes
Muzzle Thread: 5/8 x 24"
Chamber: 300 Blackout
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low-profile - Pinned
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 7" Guardsman Hex Full Picatinny M-Lok Free Float Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
2 weeks ago
,
by Dealer
Quality built Ar15 Upper featuring a great combination of excellent components. Featuring a Charging Handle, Rail, and Muzzle Device by Breek Arms. Includes the perfect length rail for 14.5 inch barrels!
Features:
- 14.5″ 4150 Chrome Moly Vanadium Steel barrel, (Shoots 5.56 / 223 wylde)
- Pinned & Welded for legal 16″ Rifle length
- Breek Arms muzzle device, compatible with blash shield and 13/16-16 threads.
- 13.7″ RG2 Mlok aluminum handguard with wedge lock system, anodized black.
- 7075-t6 Mil Spec Aluminum a4 Receiver, Anodized black
- M4 Feed Ramps
2 weeks ago
SKU 51655207040
Brand Palmetto State Armory
DETAILS
Barrel Length: 10.5"
Barrel Material: CHF Chrome Moly Vanadium
Gas System: Carbine
Chrome Lined: Yes
Muzzle Thread: 1/2-28
Chamber: 5.56
Twist Rate: 1:7
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: F-Marked FSB
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4 T-Marked
Hand Guard Type: Quad Rail with Rail Covers
Rear Sight: Rock River Arms A2 Rear Sight
Bolt Carrier Group: PSA Custom Fathers of Freedom BCG by MicroBest with Sprinco Extractor Spring
2 weeks ago
SKU : 110BILLET
The stylization of the YHM-110-BILLET was directly related to the stylization of the Billet lower which YHM finished first. It is crafted from 7075-T6 aluminum and has a hardcoat anodized matte black finish. It features M4-style feed ramps and the inside is coated with dry film lube. It accepts standard upper receiver parts and mil-spec lower receivers.
Manufacturer Yankee Hill
Pricing Unit EA
Model Billet
UPC 816701017625
SKU 110BILLET
Width 5.1000
Length 13.1000
Height 3.0000
Weight 0.8000
Ar-15 Accessory Y
Caliber/Gauge 5.56x45mm NATO
Description Stripped
- UPC: 816701017625
- MPN: 110BILLET
2 weeks ago
The Andro Corp 5.56 NATO AR-15 Barreled Upper Receiver is built from high quality parts like a 4150CMV barrel, 7075-T6 aluminum receiver and heavy duty Melonite finishes. The upper receiver also features a dry lube finish on the interior reducing the friction with the bolt carrier for a smoother and more reliable action. The flat top picatinny rail is T-marked for easy identification of your optics position if you plan on using a quick detach mount. This 16" barreled upper receiver chambered in 5.56 NATO is perfect for building an AR-15 rifle.
- MPN: U55616MLOKNBCGCH
2 weeks ago
,
by Dealer
Details
This Aegis 8.5-inch AR-15 complete upper in .300 BLK is engineered for performance and reliability. Constructed from 7075-T6 aluminum, the upper receiver features a hard anodized finish for durability. The 8.5-inch heavy barrel is made from 4150 Chrome Moly Vanadium steel and has a Parkerized finish, ensuring longevity and resistance to corrosion. With a barrel twist rate of 1:8T and a thread pitch of 5/8x24, this upper is suppressor ready, making it an ideal choice for discreet shooting.
Davidson Defense
5723
2 weeks ago
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: 5165449744
UPC: 5165449744
MFR#: 5165449744
Barrel Length: 10.5"
Barrel Profile: A2 Style
Barrel Steel: Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 1/2-36
Chamber: 9mm (9x19)
Twist Rate: 1 in 10"
Barrel Extension: 9mm
Muzzle Device: PSA Fluted Flash Can
Receiver Material: Billet 7075 T6
Receiver Type: Slick Side
- MPN: 5165449744
2 weeks ago
The TacFire AR-15 .45 ACP Upper Receiver is an affordable, factory-assembled pistol caliber carbine (PCC)-style upper receiver designed for reliable performance and consistent accuracy. This complete upper receiver is built from forged aluminum and comes with a factory-assembled bolt carrier group (BCG), charging handle, dust cover, and forward assist. The high-performance steel barrel offers superior accuracy potential with most .45 ACP loads and bullet weights, and the factory-installed birdcage flash hider drastically reduces your flash signature for improved low-light performance.
- UPC: 729205554735
- MPN: BU-45ACP-4
2 weeks ago
Looking for a top quality Upper Receiver at wholesale prices? The NBS AR-15 Stripped Upper machined by one of the foremost manufacturers of mil-spec AR-15 components in America. Normally these stripped uppers are only available to builders when purchased from a name brand at a substantial markup, but we’re making these available at wholesale prices.
What makes this upper different from other “Mil-Spec” upper receivers?
Machined from top tier forgings.
- MPN: 2377
2 weeks ago
SKU 51655240694
Brand Palmetto State Armory
DETAILS
Brand: Palmetto State Armory
Model: PA-15
Platform: AR-15
Caliber: 5.56 NATO/ .223 REM
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
Twist Rate: 1 in 7"
Barrel Extension: M4
Diameter at Gas Block: .750"
Gas Block Type: F-marked Front Sight Base
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: B5 MLOK Upper
Receiver Finish: Nitride
2 weeks ago
More than 400 AR-15 Stripped or Complete Upper Receivers In Stock Now!
Wikiarms.com
68611
3 weeks ago
NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.
- UPC: 817953025215
- MPN: 08-176
3 weeks ago
With a 5-inch barrel made of Chrome Moly Vanadium and a twist rate of 1-7, the 5.56 NATO AR-15 Upper from Andro Corp Industries offers dependable performance. It comes fitted with a sleek M-LOK hand guard, allowing for easy customization with your favorite accessories. Constructed from Mil-Spec 7075 T6 aluminum and featuring T-marks, the upper is also dry film lubricated to ward off corrosion. Its use of Mil-Spec components makes it a trustworthy choice.
BARREL SPECIFICATIONS:
– Caliber 5.56
– Length 5"
– Material 4150 Chrome Moly Vanadium
– Profile Medium
- UPC: 736684143916
- MPN: U5565MLNBCH
3 weeks ago
SKU 51652241366
Brand Palmetto State Armory
DETAILS
Barrel Length: 7.5"
Gas System: Pistol Length
Barrel Steel: 4150V
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 5/8-24
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 9" Lightweight Hex Full Picatinny M-Lok Free Float Rail
Bolt Carrier Group Included: No
Charging Handle Included: No
FEATURES
- MPN: 51652241366
3 weeks ago
SKU: TG1382232
Del-Ton UR1022 AR-15 Flat Top Upper with M4 Feed Ramps, T-Marks
AR15 Top Upper Complete
- UPC: 848456001314
3 weeks ago
The Geissele Automatics Super Duty Upper Receiver is designed for AR-15 builders seeking superior performance and compatibility. Designed to perfectly match the Geissele Automatics Super Duty Lower Receiver, this upper receiver is constructed from 7075-T6 aluminum and features milled T-Marks, a durable hardcoat anodized black finish, and an installed forward assist and dust cover. This AR-15 upper receiver is built in the United States.
Features:
- AR-15 assembled upper receiver
- Dust cover installed
- Forward assist installed
- 7075-T6 aluminum construction
- MPN: 05-3201B
3 weeks ago
Zaffiri Precision UPK, Upper Parts Kit, For Glock 19 Gen 5, Includes Firing Pin and Spring, Firing Pin Spacer Sleeve, Firing Pin Channel Liner, Spring Cups, Safety Plunger and Spring, Extractor, Extractor Depressor Plunger Assembly, Slide Recoil Cover Plate, Stainless Steel Guide Rod UPK.19.5
Manufacturer Zaffiri Precision
Pricing Unit EA
Model UPK
UPC 658792280058
SKU UPK.19.5
Width 5.1000
Length 15.1000
Height 0.9000
Weight 0.1050
Type Kit
- UPC: 658792280058
- MPN: UPK.19.5
3 weeks ago
,
by Dealer
Looking for a top quality Upper Receiver at wholesale prices? Building off of our Best-Selling, 5-Star Rated, NBS Stripped Upper Receiver, the NBS AR-15 Assembled Upper is machined by one of the foremost manufacturers of mil-spec AR-15 components, and then has a Mil-Spec Upper Parts Kit installed, right in America. Normally these assembled uppers are only available to builders when purchased from a name brand at a substantial markup, but we’re making these available at wholesale prices.
What makes this upper different from other “Mil-Spec” upper receivers?
AR15Discounts
2675
3 weeks ago
SKU 51655158674
Brand Palmetto State Armory
DETAILS
Barrel Length: 16"
Gas System: Carbine
Barrel Profile: M4
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: F-marked Front Sight Base
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: B5 Systems MLOK Carbine Handguard, Black
Bolt Carrier Group Includedo: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
3 weeks ago
The Expo Arms 9mm upper receiver group can be attached to a lower receiver to build a capable and versatile 9mm carbine. This blowback upper receiver features a 5.5" barrel, a 4" M-LOK handguard, a 1/2x36 threaded muzzle, and a flash hider. Because the charging handle and bolt carrier group are not included, users can personalize their 9mm pistol caliber carbine to achieve Expo Arms’ performance standards.
Features:
- AR-9 barreled upper receiver
- Barrel length: 5.5"
- Gas system: blowback
- 1/2x36 threaded muzzle
- 4-inch M-LOK handguard
- Flash hider
- BCG not included
- MPN: XP-URG-9MM-55
3 weeks ago
Discover the ultimate in compact firepower with the One Horse 10.5″ .300 BLK SOCOM Pistol 1:7 M-LOK Complete Upper. Engineered for tactical enthusiasts and home defenders seeking a reliable, versatile AR-15 upper, this assembly delivers exceptional performance in close-quarters scenarios. Chambered in .300 Blackout, it excels with both supersonic and subsonic ammunition, making it ideal for suppressed pistol builds where maneuverability and quiet operation are paramount.
Key Features
- UPC: 850078799326
- MPN: OH-CU05
4 weeks ago
This Dirty Bird Industries Complete Upper features a Black Nitride 16″ Sub-MOA Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier Forged Upper Receiver and finished with the brand new Dirty Bird’s V3 15″ SMRS M-LOK Handguard, containing several mounting upgrades, available in several color options. No corners are cut when manufacturing these complete uppers. All barrels are dimpled and cold blued, use a black nitride 4140 steel gas block and a stainless steel gas tube.
- UPC: 810084371206
4 weeks ago
$249.99
The One Horse 5.56 NATO Complete Upper Receiver is a purpose-built AR15 upper designed to deliver dependable accuracy, smooth cycling, and modular versatility. Built around a 16-inch 5.56 NATO barrel, this complete upper arrives fully assembled and ready to pin onto any Mil-Spec lower receiver. Whether you’re upgrading an existing rifle or completing a new build, this upper provides a reliable, work-ready foundation for range use, training, and defensive applications. Proudly made in the USA, it reflects a no-frills approach focused on performance and durability.
- UPC: 850078799289
- MPN: OH-CU02
4 weeks ago
The IC-SPR Upper Receiver is manufactured using the highest quality materials and comes packed with LWRC exclusive features. The heart of the IC-SPR Upper is the short-stroke gas piston system, which builds upon the original Stoner design with a variety of improvements. One of which is the elimination of hot gasses being vented into the receiver and bolt carrier group, thus reducing the required cleaning regiment. The IC-SPR also comes standard with a nickel-boron coated bolt carrier for unmatched resistance to wear and corrosion while also providing permanent lubricity.
- UPC: 854026005859
- MPN: ICU5ODG16SPR
4 weeks ago
Wraithworks Slick Side Receiver is made from billet 7075 and is hard coat anodized.
Manufacturer Wraithworks
Caliber 5.56 NATO
Color Black
Recoil Pad No
SKU WARP15-UP-A
- UPC: 810046200247
- MPN: WARP15-UP-A
1 month ago
SKU 507020B
Brand Palmetto State Armory
Model Number 507020B
UPC 507020B
DETAILS
Barrel Length 10.5"
Carbine Gas System
Nitride finish Barrel
4150V Chrome Moly Vanadium barrel steel
5.56 NATO Chamber
1 in 7" Twist Rate
Chrome Lining - None
Barrel Extension: M4
Handguard Type: PSA Classic Polymer
F-Marked Front Sight Post
Muzzle Thread: 1/2-28
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Bolt Carrier Group Included: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
Charging Handle included: No
Overall Length: 18.5"
- UPC: 000000507020
- MPN: 507020B
1 month ago
SKU HR51655153218B
Brand Harrington & Richardson
DETAILS
Caliber: 5.56 NATO
Barrel Length: 11.5"
Barrel Profile: Pencil
Barrel Steel: 4150 Chrome Moly Vanadium
Barrel Finish: Parkerized
Chrome Lining: Yes
Muzzle Thread Pattern: 1/2" x 28
Twist Rate: 1 in 7"
Barrel Extension: M4
Gas System Length: Carbine
Diameter at Gas Block: .625"
Gas Block Type: Rifle Height Front Sight Base
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075-T6
Upper Receiver Type: C7, Feedramps
Handguard Type: Carbine, 6 hole, with heat shields
Bolt Material: Carpenter 158 Steel
- MPN: HR51655153218B
1 month ago
Engraved M4 Stripped Upper Receiver - Betsy Ross Flag Est. 1776This custom engraved M4 flat top upper receiver is machined to Military Specifications and comes precision engraved with a beautiful high contrasting image: "Betsy Ross Flag established '76". 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!
- MPN: UENG-M4-013
1 month ago
Description
The Centurion Arms CM4 Forged AR-15 Upper Receiver is designed to be compatible with any Mil-Spec Lower. It is forged from 7075-T6 aluminum and is Type III Class 2 hardcoat anodized black to military standards. It features a flat top picatinny rail and is compatible with standard upper parts. M4 feed ramps correspond with the feed ramps on your barrel extension to aid in reliability. The CM4 stripped AR-15 Upper Receiver is what you need for your next build.
Features:
- Forged from 7075-T6 aluminum
- Hardcoat anodized black
- Compatible with Mil-Spec parts
- MPN: CM4-F-UPPER
1 month ago
The NBS Left-Handed Slick Side Billet Upper Receiver is a quality, American made billet upper featuring a unique design that sets it apart from traditional forged upper receivers. Manufactured to exacting standards on five axis CNC machines from a solid block of aircraft grade aluminum, this stripped upper not only looks good… it is built to last.
• Compatible with mil-spec forged lower receivers and most billet lower receivers
• .250 takedown / pivot pin holes
• No forward assist
• Weight: 7.1oz
- MPN: 5162
1 month ago
,
by Dealer
$249.00
The .300 AAC Blackout cartridge was engineered to deliver excellent performance from shorter barrels, making the 10.5-inch platform one of the most practical and capable AR-15 configurations available. Whether you’re shooting lightweight supersonic loads or heavy subsonic ammunition, a properly built 10.5″ upper offers exceptional versatility in a compact package.
1 month ago
SKU 51655230034
Brand Palmetto State Armory
DETAILS
Barrel Length: 10.5"
Barrel Profile: A2
Barrel Steel: 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: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 9" Lightweight M-Lok Rail
Bolt Carrier Group Included: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
Charging Handle Included: No
Overall Length: 19"
1 month ago
SKU 5165491720
Brand Palmetto State Armory
Model Number 5165491720
UPC 5165491720
DETAILS
Barrel Length: 8.5"
Gas System: Pistol-length
Barrel Profile: Heavy
Barrel Steel: Chrome Moly
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 5/8-24"
Chamber: 300AAC Blackout
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: 7" Lightweight M-Lok Rail
Bolt Carrier Group Included: No
Bolt Steel: N/A
- UPC: 005165491720
- MPN: 5165491720
1 month ago
The AR-15 Stripped Forged Upper Receiver – T-Marked is a solid foundation for custom rifle or pistol builds that need a proven flat-top upper with Mil-Spec-style construction. Starting as a 7075 aluminum forging and precision machined to military specifications, it offers the strength and dimensional consistency builders look for in a stripped receiver. The T-marked flat top makes optic and accessory positioning easier to reference, while M4 feed ramps support reliable function with compatible barrel extensions.
1 month ago
SKU 51655158679
Brand Palmetto State Armory
DETAILS
Barrel Length: 16"
Gas System: Carbine
Barrel Profile: M4
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 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: B5 Systems MLOK Carbine Handguard, Olive Drab Green
Bolt Carrier Group Includedo: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
- MPN: 51655158679
1 month ago
Elevate your pistol caliber carbine (PCC) build with the NBS AR-9 Minimalist Billet Upper Receiver, a precision-engineered component designed for enthusiasts seeking lightweight performance without compromising durability. Crafted for 9mm and .45 ACP platforms, this billet upper delivers a sleek, minimalist aesthetic that reduces overall weight while maintaining compatibility with standard AR components, making it the ideal choice for custom AR-9 rifles and pistols.
Key Features:
AR15Discounts
507
1 month ago
Details:
Barrel Length: 18"
Gas System: Rifle-length
Barrel Profile: A2 Style
Barrel Steel: 416R
Barrel Finish: Stainless Steel
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 6.5 Grendel; Type 2
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low profile adjustable gas block
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 15" Lightweight M-Lok Free Float Rail
Bolt Carrier Group Included: Yes
Bolt Steel: 9310, Nitride Coated
Bolt Carrier Profile: Full-auto
- MPN: 51655111510
1 month ago
$189.99
SKU 5165458425
Brand Palmetto State Armory
UPC 5165458425
DETAILS
PSA 8.5" PISTOL-LENGTH 300AAC BLACKOUT 1/7 NITRIDE 7" LIGHTWEIGHT M-LOK UPPER - NO BCG OR CH
- Barrel Length: 8.5"
- Gas System: Pistol-length
- Barrel Profile: Heavy
- Barrel Steel: Chrome Moly
- Barrel Finish: Nitride
- Chrome Lining: None
- Muzzle Thread: 5/8-24"
- Chamber: 300AAC Blackout
- 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
- UPC: 005165458425
1 month ago
This Dirty Bird Industries Complete Upper features a Black Nitride 7.5″” Sub-MOA Heavy Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver and finished with Dirty Bird’s 9.5″ SMRS M-LOK V2 Handguard available in several color options. No corners are cut when manufacturing these complete uppers. All barrels are dimpled and cold blued, use a black nitride 4140 steel gas block and a stainless steel gas tube.
- UPC: 810084370926
- MPN: D026-1
1 month ago
The Geissele Super Duty MOD1 16" Heavy Barrel Complete Upper Receiver in Distressed Diamond Cut is a premium AR‑15 upper assembly built around a rugged cold hammer forged, chrome‑lined 16in barrel with a .750‑inch gas journal and a 1:7 twist for broad ammunition compatibility and enhanced heat capacity. Featuring a mid‑length gas system with a Super Compact gas block and an MK16 M‑LOK free‑float rail, this upper is optics‑ready with a full Picatinny rail for sights and accessories.
- UPC: 810081135436
- MPN: 08-627S
1 month ago
DETAILS:
Barrel Length: 16"
Gas System: Mid-length
Barrel Profile: A2
Barrel Steel: 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
Handguard Type: PSA 13.5" Lightweight Hex Full Picatinny M-Lok Free Float Rail. Flat Dark Earth
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full Auto
1 month ago
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Buy a Select Upper & Use Code "FREEGOODS" to get a FREE SOUNDGUARD SUPPRESSOR & VORTEX RIFLE SCOPE w/ PURCHASE
$1100+ In Retail Value
1 month ago
The VKTR VK-1 Complete Upper packages a short, hard-hitting 5.56 upper receiver into a mission-ready assembly built for compact rifles and pistol builds. At 11.5" with a heavy-profile, nitride-finished barrel and 1/2×28 threading, this upper is optimized for suppressed or compensator-equipped hosts while preserving balance and durability. The thermal-fit forged upper, continuous 12 o’clock Picatinny, and low-profile M-LOK handguard give you a solid mounting platform for optics and mission accessories.
- UPC: 810155161682
1 month ago
VK-1 Complete Upper – 16″ cerakote complete piston upper with 15″ handguard.
Features
Bolt Carrier Group – Precision machined one-piece patented bolt carrier with correct timing, revised cam path, finished in thin, dense chrome. Patented enhanced cam path for consistent lock up, shot after shot. Match performance right out of the gate.
Enhanced Upper Rail – 15 slot upper receiver rail creates a truly continuous 12 o’clock Picatinny mount, optimizing available accessory real estate and reducing the overall weight of the forged upper receiver.
- UPC: 810155160203
1 month ago
,
by Dealer
AR UPPER ASSEMBLED UNITS – 10% OFF
Shop our full selection of AR assembled uppers with REAL IN-STOCK inventory and reliable build quality.
All units are ready to ship and built for performance and compatibility.
For a limited time, enjoy 10% OFF all assembled uppers sitewide.
Use discount code: upper10 at checkout.
WHY SHOP THIS CATEGORY
Real-time inventory – what you see is in stock
Shooters Gate
252
1 month ago
The Dirty Bird Industries 7.5" 5.56 DRP Pistol M-LOK V2 Upper Assembly is engineered to deliver exceptional performance in a compact, pistol-length AR-15 platform. Featuring a 7.5" Black Nitride DRP Profile barrel and finished with Dirty Bird’s proprietary 7" SMRS M-LOK V2 Handguard, this upper assembly is built to exceed expectations. Each upper includes Dirty Bird's enhanced BCG, rigorously tested for reliability, and comes backed by Dirty Bird’s Limited Lifetime Warranty.
Key Features:
Barrel
Chamber: 5.56 NATO (compatible with .223)
- UPC: 810084371329
- MPN: D108
1 month ago
The Sons of Liberty Gun Works AR-15 Upper receivers are built from mil-spec 7075-T6 forgings from the lead forge in the U.S. They contour is fully machined leaving no flash marks from the forging. We take extra care when machining our upper receivers resulting in tolerances that are tighter and fits that are better than other upper receivers. We use mil-spec Matte black hard-coat anodized Mil 8625 Type 3 Class 2 finish. Try one today and feel the difference.
– Manufacturer Sons Of Liberty Gun Work
– Pricing Unit EA
– Model M4
– UPC 691821744312
– SKU UPPERSTRIPPED
– Width 2.6000
1 month ago
This Dirty Bird Industries Complete Upper features a Black Nitride 7.5″” Sub-MOA Heavy Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver and finished with Dirty Bird’s 9.5″ SMRS M-LOK V2 Handguard available in several color options. No corners are cut when manufacturing these complete uppers. All barrels are dimpled and cold blued, use a black nitride 4140 steel gas block and a stainless steel gas tube.
- UPC: 810084370926
- MPN: D026-1
1 month ago
This custom engraved M4 flat top upper receiver is machined to Military Specifications and comes precision engraved with a beautiful high contrasting image: "SKELETON THIS END TOWARDS 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
Product Code: UENG-M4-002
- MPN: UENG-M4-002
1 month ago
The 13.9” P&W upper receiver comes with a PWS flash hider that is pinned and welded into place to achieve a 16” overall length. The PWS flash hider is compatible with Rearden Atlas, Plan B, and other style mounts using the .900 x 24 TPI mounting interface.
Pinned and welded proprietary brake makes barrel 16" OAL and is compatible with all 0.900x24 TPI hub mounted silencers such as Rearden Atlas, Atlas-R Atlas-XL, Q Plan -B(omega300), Diligent Defense ZILCH, ECCO Machine EMCherrybomb and more.
Specifications:
– UPC 050806002692
– Manufacturer Brownells
- UPC: 050806002692
- MPN: BRN-180-GEN3-223-13.9-P/W
1 month ago
The LaRue 9-inch free-float M-LOK handguard utilizes LaRue's proprietary locking system to minimize movement, increasing zero retention and durability. This slim handguard features M-LOK compatible mounting points on three sides, and a top M1913 Picatinny rail, allowing shooters to utilize a wide range of accessories. The 9-inch length of this AR-15 handguard makes it ideal for shorter, compact rifles and pistols. LaRue free-float handguards are precision CNC machined from lightweight yet rugged aluminum and feature a durable, corrosion-resistant Hardcoat Anodized black finish.
- MPN: OB-LT906-9-0
1 month ago
SKU 51655155577
Brand Palmetto State Armory
FEATURES:
Barrel: 16" 4150V Chrome-moly vanadium steel barrel chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a Mid-length gas system. This A2 profile Nitride barrel is finished off with a PSA 15" Hex Full Picatinny M-Lok Free Float Rail, low-profile gas block, and A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. Uppers include forward assist and dust cover. These uppers are made for us right here in the USA by a mil-spec manufacturer.
1 month ago
$379.99
Details
Barrel Length: 20"
Gas System: Rifle-length
Barrel Profile: A2 Style
Barrel Steel: 416R
Barrel Finish: Stainless Steel
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 6.5 Grendel; Type 2
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low profile adjustable gas block
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: PSA 15" Lightweight M-Lok Free Float Rail
Bolt Carrier Group Included: Yes
Bolt Steel: 9310, Nitride Coated
Bolt Carrier Profile: Full-auto
- MPN: 5165448709
1 month ago
$339.99
SKU 51655156207
Brand Palmetto State Armory
DETAILS
Barrel Length: 10.5"
Barrel Profile: A2 Style
Barrel Steel: Chrome Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: No
Muzzle Thread: 1/2-28
Chamber: 9mm (9x19)
Twist Rate: 1 in 10"
Barrel Extension: 9mm
Muzzle Device: PSA Fluted Flash Can
Receiver Material: Billet 7075 T6
Receiver Type: Slick Side
Handguard Type: PSA 12" Lightweight Hex Full Picatinny M-Lok Free Float Rail
Bolt Included: Yes, (Gen 4, Hybrid)
Bolt Steel: 8620, Phosphate Coated
Charging Handle included: Yes
FEATURES
1 month ago
SKU 5165448774
Brand Palmetto State Armory
Model Number 5165448774
UPC 5165448774
DETAILS
PSA 18" Rifle-Length 6.5 Grendel 1/8 Stainless Steel 15" Lightweight M-Lok Upper - With BCG & CH - 5165448774
Barrel Length: 18"
Gas System: Rifle-length
Barrel Profile: A2 Style
Barrel Steel: 416R
Barrel Finish: Stainless Steel
Chrome Lining: None
Muzzle Thread: 5/8-24
Chamber: 6.5 Grendel; Type 2
Twist Rate: 1:8
Barrel Extension: M4
Diameter at Gas Block: .750
Gas Block Type: Low profile adjustable gas block
Muzzle Device: A2 Flash Hider
Receiver Material: Forged 7075 T6
- UPC: 005165448774
- MPN: 5165448774
1 month ago
$399.99
Luth-AR 16" Lightweight Barrel Complete Upper Receiver, 223 Rem/556NATO, Black Finish, 15" Palm Handguard Keymod, 1:9 Twist, Complete Barrel Assembly w/BCG, Fits AR-15 BAA3-L16
– Manufacturer Luth-AR
– Model 16" Lightweight Complete Upper
– UPC 812058030171
– SKU BAA3-L16
– Width 4.2500
– Length 34.2500
– Height 4.2500
– Weight 5.1300
– Caliber 5.56x45mm NATO
- UPC: 812058030171
- MPN: BAA3-L16
1 month ago
Radical Firearms Complete Upper Assembly, 300 Blackout, 10.5" Barrel, 1:8 Twist, Black Finish, 10" RPR MLOK Handguard, A2 Flash Hider CFU10.5-300HBAR-10RPR
- UPC: 816903024094
- MPN: CFU10.5-300HBAR-10RPR
