Uppers Gun Parts

(3,495 deals total)

Ar15 Upper receiver, properly assembled.  Add a bcg/ch and you'll be ready to drop on your lower.  Features: - 10.5" 4150 CMV Barrel - 1/2-28 threads - Carbine gas tube - steel .750 gas block - a2 flash hider - 10" Free Floating MLok handguard - 7075-t6 mil spec aluminum upper, anodized black - dust cover, forward assist Item #: 10.5 223 upper mlokn

Davidson Defense "Golden Eye"  AR-15 Upper Receiver  16" 5.56 NATO 4150 CMV 1-7T Barrel  Premium 15" M-Lok Handguard (Assembled or Unassembled) This 5.56 Upper Offers Amazing Stopping Power And Accuracy Which Makes It The Perfect Option For An AR Rifle. We've Felt That This Amazing Blend Of Attributes Made This Kit Adaptable In Its Use And Ability To Be Used Anywhere Under Every Circumstance. Built On A Davidson Defense Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.

SKU: 5165491812 UPC: 5165491812 MFR#: 5165491812 Barrel Length: 20" Gas System: Rifle-Length Barrel Profile: A2 Style Barrel Steel: 416R Stainless Steel Barrel Finish: Stainless Steel Chrome Lining: None Muzzle Thread: 5/8-24 Chamber: 308 WIN Twist Rate: 1:10 Barrel Extension: M4-style Diameter at Gas Block: .750 Gas Block Type: Low-profile 5 position click switch adjustable gas block Gas Tube: Black Nitride Gas Tube Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: PA10

AR-15 5.56/.223 7.5" Cookie Cutter Upper Assembly / Quadrail AR-15 5.56/.223 7.5" Cookie Cutter Upper Assembly / Quadrail Action: Semi-auto Gas System: Pistol Length Gas System Chamber: 5,56 NATO Twist Rate: 1/7  Muzzle Device: Strikes Industries Cookie Cutter compensator  (reduces recoil on short barreled rifles and pistols)  Barrel: 7.5" 5.56 NATO M4 hbar contour, nitride finish, heat treated, black, M4 feedramps, .750 gas block diameter Handguard: 7" Quadrail Free Float

Complete upper for your Ar15. Pin it to your lower and ready to go! - 16" 4150 chrome moly Barrel - .223 Wylde Chamber (Shoots both 5.56 and 223) - 1:8 Twist - M4 Feed Ramps - Free Float Aluminum Handguard (select one or we'll have to guess for you) - 7075-T6 Upper Receiver - Dust Cover, Forward Assist - .750 Steel Gas Block - Carbine gas tube - A2 Flash Hider, 1/2-28 Barrel Threads - M16 Bolt Carrier Group - Charging Handle   Note: Blem uppers may or may not have some cosmetic blemishes. (scuffs, scratch in finish, tool marks, etc.)       Item #: blem-cvf

Manufactured to be described as a very good item for nearly any individual, we're certain you will enjoy the Ghost Firearms Vital 5.56 Upper Receiver .These AR15 Upper Receivers from the expert product specialists at Ghost Firearms are fashioned using heavy duty and reliable components, to be able to provide you with a product that will be effective for many years.

The Aero Precision® is a far cry from your regular garden-variety stripped upper, combining an angular machined design and billet look that help it stand apart from the crowd. The M4E1 is crafted from forged 7075-T6, but machined to look like a billet receiver—so you get all the style of billet, but with no compromises in strength. It's a totally unique-looking Upper, but is still compatible with all standard AR-15/M16 components. Compatible with standard AR-15/M16 components Made from forged 7075-T6 and machined to look like billet Threaded to accept a standard AR-15 barrel nut

Forged from 7075-T6 aluminum, this Stripped Upper is precision-machined to mil-spec M16/M4 specifications and features M4 feed ramps. It's a rock-solid piece of hardware that's sure to serve you well as the basis for your next build. Compatible with standard AR-15/M16 components Made from forged and machined 7075-T6 aluminum M4 feed ramps .250 takedown pin holes Laser-engraved T-marks Made in USA Order today! Key Specifications Item Number: 720100 Caliber: Multi Compatibility: All standard AR-15/M16 components Material: Forged 7075-T6 Finish: Black anodized Weight: 6.9 oz.

The M5 .308 Stripped Upper Receiver is the perfect choice for your big-bore rifle build. Forged from 7075- T6 aluminum, the M5 Upper is precision machined to accept standard .308 components. Compatible with standard DPMS AR 308 components Made from forged and machined 7075-T6 aluminum Black anodized finish M4 feed ramps .2795 takedown pin holes Laser-engraved T-marks DPMS high-profile (.210) tang Made in USA Order today! Key Specifications Item Number: 720102 Caliber: .308 Win./7.62 NATO Compatibility: Standard DPMS AR 308 components Material: Forged 7075-T6

The M5 .308 Stripped Upper Receiver is the perfect choice for your big-bore rifle build. Forged from 7075- T6 aluminum, the M5 Upper is precision machined to accept standard .308 components. Compatible with standard DPMS AR 308 components Made from forged and machined 7075-T6 aluminum Flat Dark Earth Cerakote finish provides superior corrosion resistance M4 feed ramps .2795 takedown pin holes Laser-engraved T-marks DPMS high-profile (.210) tang Made in USA Order today! Key Specifications Item Number: 720103 Caliber: .308 Win./7.62 NATO

SKU: 5165492136 UPC: 5165492136 MFR#: 5165492136 Barrel Length: 10.5" Barrel Profile: A2 Gas System: Carbine Length Barrel Steel: Cold Hammer Forged Chrome Moly Vanadium  Barrel Finish: Phosphate Chrome Lining: Extra Thick 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 Hand guard Type: PSA 12" Slant End Lightweight M-Lok Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158

AR-10 .308 12.5" claw pistol upper receiver assembly AR-10 .308 12.5" claw pistol freefloat upper receiver assembly features: Barrel - 12.5".308 mid length barrel, crafted to mil-spec standards from 4150 Chrome MolyVanadium with a QPQ corrosion resistant finish. This barrel provides timetested precision and accuracy for your .308 pistol build. Threaded5/8-24 at the muzzle end and finished off with AR-10 CLAW muzzle. A3 flat top upper receiver - made from solid billet 6000 series aluminum. Black hardcoatanodized. Forward assist and dust cover installed. 

This barrel assembly has a 16" barrel with Lightweight profile, 1x9 twist, CAR handguards with single heat shields, and A2 Flash Hider Specifications for Del-Ton Pre-Ban Flat Top Light Weight Barrel Assembly: Color: Black Barrel Profile: Light Weight 1TG-UFH-PRFLTP-DT1021C UPC#: 848456000737 Barrel Length: 16 inAdditional Features: Chrome LinedGas System Length: Carbine Length Code:1TG-UFH-PRFLTP-DT1021C MPN:DT1021C UPC:848456000737

GHOST FIREARMS 10.5" 9MM FLASH CAN UPPER RECEIVER Chambered in 9x19 Para 10.5" 1:10 Twist 4150 Light HBar Barrel Black Nitride Ghost Firearms 11" M-Lok Free Float Hand Guard Flash Can Muzzle Device Ghost Mil-Spec 7075 T6 Upper Receiver Mil-Spec Hard Coat Anodized Pop Up Sights Ambidextrous Charging Handle Nickel Boron BCG

The Aero Precision® is a far cry from your regular garden-variety stripped upper, combining an angular machined design and billet look that help it stand apart from the crowd. The M4E1 is crafted from forged 7075-T6, but machined to look like a billet receiver—so you get all the style of billet, but with no compromises in strength. It's a totally unique-looking Upper, but is still compatible with all standard AR-15/M16 components. Compatible with standard AR-15/M16 components Made from forged 7075-T6 and machined to look like billet Threaded to accept a standard AR-15 barrel nut

Quick Overview free shipping Free Shipping applies to this item only and not the entire order. 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. WARNING: This product can expose you to the chemical lead, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6). SKU: 5165450851

Davidson Defense "Akuma"  AR-15 Upper Receiver  16" 5.56 NATO 4150 CMV 1-7T Barrel  Premium 15" M-Lok Handguard (Assembled or Unassembled) This 5.56 Upper Offers Amazing Stopping Power And Accuracy Which Makes It The Perfect Option For An AR Rifle. We've Felt That This Amazing Blend Of Attributes Made This Kit Adaptable In Its Use And Ability To Be Used Anywhere Under Every Circumstance. Built On A Davidson Defense Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.

Manufactured to be described as a very good item for nearly any individual, we're certain you will enjoy the Ghost Firearms Vital 5.56 Upper Receiver .These AR15 Upper Receivers from the expert product specialists at Ghost Firearms are fashioned using heavy duty and reliable components, to be able to provide you with a product that will be effective for many years.

The Packaged – AM-15 Assembled Upper Receiver comes in our new retail packaging to better gift to others for Holidays, Birthdays, or Other Special Occasions! The AM-15 Assembled Upper Receiver comes with the dust cover and forward assist already installed. This upper is machined from 7075 T6 Aluminum forging. Featuring M4 feed ramps, this upper receiver is machined to Military Specifications & Standards and can be used with multiple calibers on the AR-15 platform. This upper receiver comes in type III hard coat black anodize for extreme durability.

LE6920 Complete Upper Features The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. LE6920 Complete Upper Specifications Manufacturer: Colt's Manufacturing Manufacturer Part #: LE6920EPR-CK Type: Upper Caliber: 556NATO Caliber: 223 Remington Barrel Length: 16" Color: Black Description: MLOK Finish: Matte UPC#: 098289035493

ALWAYS ARMED 16" 7.62X39 UPPER RECEIVER - SIG PINK Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:10 Twist 4150 Barrel with Black Nitride Finish Chambered in 7.62X39 Carbine Length Gas System .750 Low Profile Gas Block A2 Flash Hider 15" Free Float M-LOK Hand Guard Sig Pink Cerakote Finish

AR-15 5.56/.223 16" M4 "PREDATOR" UPPER ASSEMBLY AR-15 5.56/.223 16" M4 PREDATOR UPPER ASSEMBLY. Created by Moriarti Armaments. CA and NY compliant. Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO (accepts both 5.56 NATO and .223 REM) Twist Rate: 1/9 button rifled* Barrel: 16" M4 contour, 4150V steel, chrome moly, heat treated, black, M4 feedramps, .750 gas block diameter

AR-15 5.56/.223 16" slick side diamond stainless steel upper assembly AR-15 5.56/.223 16" slick side diamond stainless steel upper assembly. CA/NY compliant.  Barrel - 16" 416 stainless steel hbar gov. Contour barrel. Chambered in 5.56 nato (also accepts .223 rounds). 1-9 rh twist. Hardened to 26-32 rc and stress relieved. Button rifled. .750 under gas block. Diamond fluted. Stainless steel extreme muzzle brake and stainless steel crush washer. M4 feedramps.

ALWAYS ARMED 5.5" 9MM FLASH CAN UPPER RECEIVER Barrel - Length 5.5"/Black Nitride Finish Barrel Material - 4150 Chrome Moly Steel 9mm Luger Gas System Type Blowback 7" M-LOK Free Float Rail Flash Can Twist Rate 1:10 Black Anodized Finish Ambidextrous Charging Handle Titanium Nitride Bolt Carrier Group

AR-15 .224 Valkyrie 22″ fluted stainless steel upper assembly The Moriarti Armaments AR-15 .224 Valkyrie 22″ fluted stainless steel upper assembly comes complete with a MATCH GRADE Stainless Steel 416R Barrel, low profile Steel .750 Gas Block with Nitride Finish and a Stainless Steel Gas tube. Upper is finished off with a rifle length Free Float rail of your choice, Ultra Slim Line Keymod, MLOK Handguard or Quadrail with picatinny top rail. 

Looking to get started on your next M4 build? Look no further. This Anderson Complete Upper is built around a forged 7075-T6 upper receiver and 16" M4-profile barrel with 1:8" twist. The Upper is compatible with standard multi-cal lower receivers, and comes standard with an ambidextrous charging handle and bolt carrier group.

ALWAYS ARMED 7.5" 9MM UPPER RECEIVER - RIDGEWAY BLUE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 7.5" 1:10 Twist 4150 Barrel with Black Nitride Finish Chambered in 9X19 Para A2 Flash Hider 7" Free Float M-LOK Hand Guard Ridgeway Blue Cerakote Finish

VZ58 Barrel Assembly with Bakelite Handguards, Piston, and Receiver Stud Item : VZ58_0013 | SKU : NA | Model : VZ-58 | UPC : 631661613072

ALWAYS ARMED UPPER RECEIVER WITH DUST COVER AND FORWARD ASSIST - BLACK Made in the USA MIL-STD 1913 Picatinny M4 Feed Ramp Cuts Mil-Spec AR15 Upper Receiver Made of 7075-T6 Aluminum Forward Assist and Dust Cover Installed Hard Coat Black Anodized Finish

Complete built upper receiver: Heavy 4150 chrome vanadium barrel, chambered in 5.56NATO with a 1:7 twist Birdcage flash hider Carbine length gas system 15″ m-lok handguard Flat-top mil-spec upper receiver with installed dust cover and forward assist No BCG or charging handle

AR-15 Complete Upper Receiver Assembly w/Forward Assist & Dust Cover AR-15 Bolt Carrier Group Assembly - Mag Phos - Carpenter 158 Bolt (Made in USA) Tactical Charging Handle 5.56 NATO 7.5" 1:7 Twist -Black Nitride (Made in USA) AR-15 / AR-10 Pistol Length Gas Tube 6.75" - Stainless Steel Low Profile Gas Block AR-15 Compact Muzzle Brake 1/2"x28 Pitch AR-15 M-Lok 7" Super Slim Free Float Handguard

AR-10 Stripped or Complete Upper Receivers In Stock Now!

ALWAYS ARMED 16" 7.62X39 UPPER RECEIVER - BAZOOKA GREEN Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:10 Twist 4150 Barrel with Black Nitride Finish Chambered in 7.62X39 Carbine Length Gas System .750 Low Profile Gas Block A2 Flash Hider 15" Free Float M-LOK Hand Guard Bazooka Green Cerakote Finish

Details Barrel Length: 10.5" Barrel Profile: A2 Gas System: Carbine-Length Barrel Steel: 4150 Chrome Moly Vanadium Barrel Finish: Phosphate 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 Aluminum Receiver Type: M4 Handguard Type: PSA 10.5" Lightweight M-Lok Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-Auto Charging Handle Included: Yes

ALWAYS ARMED 16" 5.56 NATO UPPER RECEIVER WITH SS 1:8 BARREL, SIGHTS & BI-POD GRIP Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:8 Twist 416R Stainless Steel Barrel Chambered in 5.56 NATO Carbine Length Gas System .750 Low Profile Gas Block Enhanced Stainless Steel Muzzle Device 15" Free Float M-LOK Hand Guard Hard Coat Black Anodized Finish Pop Up Sights and Bi-Pod Grip Included

AR-15 5.56/.223 8.5" Slick MLOK Upper Assembly with Mini Can AR-15 5.56/.223 8.5" Slick MLOK Upper Assembly with Mini Can - Chamber - 5.56/.223 WYLDE - Barrel Twist - 1x7 - Barrel Thread - 1/2X28 - Barrel Steel - 4150 Chrome Moly, phosphate finish, CNC machined, M4 feedramps - Muzzle Brake - AR-15 Mini Can - Handguard - 10" Hardcoat Anodized Slim Mlok Free Float (rails may have variations in design based on stock availability, the same excellent quality)

ALWAYS ARMED 16" 9MM UPPER RECEIVER - BLACK ANODIZED Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:10 Twist 4150 Barrel with Black Nitride Finish Chambered in 9X19 Para A2 Flash Hider 15" Free Float M-LOK Hand Guard Hard Coat Black Anodized Finish

ALWAYS ARMED 16" 5.56 NATO 1:7 MID LENGTH UPPER RECEIVER WITH 12" M-LOK RAIL, POP UP SIGHTS AND ANGLED FOREGRIP Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Steel Barrel with Black Nitride Finish Chambered in 5.56 NATO Mid Length Gas System .750 Low Profile Gas Block A2 Muzzle Device 12" Free Float M-LOK Hand Guard Hard Coat Black Anodized Finish Pop Up Sights and Angled Foregrip Included

AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / Quadrail AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / Quadrail Action: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 AAC Twist Rate: 1/8  Muzzle Device: Strikes Industries Cookie Cutter compensator  (reduces recoil on short barreled rifles and pistols)  Barrel: 7.5" 300 AAC M4 hbar contour, phosphate finish, heat treated, black, M4 feedramps, .750 gas block diameter Handguard: 7" Quadrail Free Float

AR-40 10.5" Slick Side LRBHO Complete Upper Assembly with BCG and CH - .40 S&W AR-40 10.5" Slick Side LRBHO Complete Upper Assembly with BCG and CH - .40 S&W IS BUILD ON A BILLET UPPER RECEIVER WITH LRBHO(LAST ROUND BOLT HOLD OPEN).  This upper is a perfect addition to your MA-9 Glock Style lower receiver. 10.5" AR-40 SLICK SIDE LRBHO UPPER FEATURES: BARREL - 10.5" .40 S&W MATCH GRADE AR BARREL.4150 CROMOLY STEEL. BLACK NITRIDE FINISH. TWIST:1:16.  5/8-24 MUZZLE BRAKE THREADS. 11 degree target crown. BARREL IS FINISHED OFFWITH A2 FLASH HIDER.

For your next 300 BLK AR-15 build, look no further than the Anderson EXT Upper! Every piece of hardware is designed to the highest level of precision accuracy and exacting standards, and fits perfectly on just about any lower. Anderson® employees are experts in the shooting industry and bring years of experience to each and every product that bears the Anderson mark. They understand as much as you do about the importance of precision and reliability, which is why this Upper is the right choice for your next custom rifle project.

Bushmaster 92194 E2S M4A3 ORC Complete Upper 5.56mm 16in Black - The Bushmaster V-Match is legendary for its accuracy and reliability. The 16" HBAR profile, match grade, chrome-lined barrel delivers consistent precision and longevity. The tubular aluminum knurled freefloat handguard contributes to optimum accuracy. The V-Match barrel and other exposed steel components are manganese phosphate coated for complete protection against exterior corrosion and rust and the upper receiver is forged from 7075 T6 aircraft aluminum and hard anodized finish to a mil-spec dark gray.

Del-Ton AR-15 A3 Flat-Top Upper Assembly 5.56x45mm NATO 1 in 9" Twist 20" Government Contour Barrel Chrome Moly Matte with A2 Handguard, Flash Hider. This Del-Ton Rifle A3 Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The Forged 7075 T6 Aluminum upper features a 20" Government Contour Barrel, F-Marked Front Sight Assembly, 2-Piece Polymer A2-Style Handguards with heat shield and an A2 Flash Hider.

AR-15 6.8 SPC 20" nitride tactical bull upper assembly / mlok AR-15 6.8 SPC 20" nitride tactical bull upper assembly / mlok is a perfect addition to AR-15 Rifle family long range target shooting. Assembly features: Barrel - 20" 416R nitride coated bull barrel. Hardened to 26-32 rc and stress relieved.  Chambered in 6.8 SPC Type 2. 1-10 rh twist , button rifled. .936 under gas block. Threaded 5/8x24. M4 feedramps. Rifle length gas system. Barrel is finished off with Moriarti triport muzzle compensator.

Don't miss out on this July 4th deal!  Pick your options on this customizable upper.  Your choice of 416r SS or 4150 Barrel, Handguard, Nickel boron bcg, and extended latch charging handle.  Details: - 7075-t6 Mil Spec Forged Upper Receiver - m4 feed ramps - .223 Wylde chamber (shoots both 5.56 and .223) - You choose SS or 4150 steel barrel (1:8 twist, carbine gas, others in menu) - Your choice of free float keymod handguard (choose from menu on this page) - Nickel boron BCG (FailZero or MSF EXO) - Extended latch charging handle (red or black)

Features: M4 Feedramps .2795 takedown pin holes (DPMS size) Lazer engraved T-marks DPMS High Profile (.210) Tang) Includes port door and forward assist Includes: M5 .308 Assembled Upper Receiver in Anodized Black Compatibilty: Accepts standard DPMS .308 components Marterial: Machined from 7075-T6 forged Platform: M5 (.308)

Top performance, made in the USA! Alex Pro Firearms® is headquartered right here in Alexandria, Minnesota, just about two hours north of The Guide. Point being, we know the folks at APF. We know their firearms are all designed and built in-house—which means they can deliver outstanding quality at an equally outstanding price! And "outstanding quality" is exactly what you're getting here. 20" stainless steel barrel for competition-grade accuracy. Nickel boron coated AR10 bolt carrier group. APF M-Lok handguard. There's no better complete upper for your next target build.

ALWAYS ARMED 10.5" 300 BLACKOUT UPPER RECEIVER - BURNT BRONZE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in .300 Blackout Pistol Length Gas System .750 Low Profile Gas Block A2 Flash Hider 10" Free Float M-LOK Hand Guard Burnt Bronze Cerakote Finish

Barrel - 18" heavy barrel. Chambered in .223 Wylde, 1:8* twist. Nitride coated. .750 diameter under gas block. Mid length gas system. Threaded for a muzzle brake. Finished off with our A2 birdcage and a crush washer. M4 feedramps. A3 flat top upper reciever - made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov.specs. Forward assist and dust cover installed. M4 feedramps. Gas system - .750 low profile gas block made from aircraft quality aluminum and black hardcoat anodized. Mid length gas tube.

Complete built upper receiver: M4 profile parkerized, 4150 chrome vanadium lined barrel, chambered in .223 wylde with a 1:7 twist Nitride Birdcage flash hider Carbine length gas system 13.5″ m-lok handguard Flat-top mil-spec Cerro upper receiver with installed dust cover and forward assist No BCG or charging handle Note: Barrel caliber may be 5.56 based on market availability.

This conversion includes the complete upper and two 28 round magazines. It is compatible with any Mil-Spec AR lower!

READ DESCRIPTION: This is similar to the original grab bag upper, but it will definitely have an upgraded handguard and/or upgraded barrel (stainless, fluted, etc).   Possible minor blems still may apply.  

AR-15 5.56/.223 20" yellow diamond modular bull upper assembly is offered exclusively by Moriarti Armaments. The upper receiver features: Barrel - 20" 416 stainless steel bull contour barrel with diamond fluting. Hand yellow coated with stainless flutes. Hardened to 26-32 rc and stress relieved. Chambered in 5.56 nato (also accepts .223 rounds). 1-8 rh twist 6 groove button rifled, .936 under gas block. Target crowned - not threaded. M4 feedramps.

Start off your pistol / sbr build with this 7.5" AR15 223 wylde pistol upper.  Comes professionally assembled.  Customizeable options available on the drop-down menus. Features: - 7.5" 4150 CM Barrel - .223 Wylde chamber (shoots 5.56 or .223) - 1:7 Twist - 1/2-28 threads - Pistol gas system - .750 low pro steel gas block - stainless gas tube - 7" slanted hybrid Mlok free float handguard - 7075-t6 aluminum mil spec upper receiver - m4 feed ramps - dust cover, forward assist   Item #: 7.5 7hsmlok

Anderson 24" Stainless AR-15 Complete Upper. PRICED TO OWN! A brand you can trust. Need an Upper for your prized AR-15? Look no further than this accurate Anderson to give you some smooth, long-distance shooting without hiccups. 24" 416 stainless steel fluted barrel Forged receiver Anderson AM-66-FF-VARMIT free float Low profile Tactical charging handle M16 BCG SKU#: WX2-647152

AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY - FDE Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO Muzzle Device: Thread 1/2 X28 Compact Muzzle Brake  Includes: - AR-15 Snap Ring - AR-15 Delta Ring - AR-15 Weld Spring Specifics: Barrel: 5.56 NATO 16" Barrel Assembly with Barrel Nut, End Cap and 0.675" Flat Top Gas Block with Bayonet Lug, 1x9 twist, 4150CMV, nitride coated Handguard: Magpul Moe 2 piece carbine-length FDE handguard

Davidson Defense Black Diamond Series AR-15 Billet No Forward Assist Upper  USA Made   Brand new billet upper by Davidson Defense, CNC manufactured on 5 axis machines for in spec. Tolerances, Lightweight easy and quick installation. Durable black matte finish hard coat anodized.   Billet from 7075 aluminum that has been T6 heat treated and hard coat anodized. The A3 features a flattop design with an integral Picatinny-style rail. With M4-style feed ramps. Does not include forward assist or dust cover.     Part Number: 2255

Mid State Firearms Ar15 Lightweight Sport Upper 7075-t6 Aluminum receiver .223 Wylde chamber (shoots both 5.56 and .223) 1:8 Twist no dust cover or forward assist m4 feed ramps 16" 4150 CM barrel A2 Flash hider .750 Low profile gas block Carbine gas tube length 10" free float quad rail Upgrades & add ons available in drop down menus on product page. 16sport

AR-15 5.56/.223 20" red diamond modular bull upper assembly is offered exclusively by Moriarti Armaments. The upper receiver features: Barrel - 20" 416 stainless steel bull contour barrel with diamond fluting. Hand red coated with stainless flutes. Hardened to 26-32 rc and stress relieved.  Chambered in 5.56 nato (also accepts .223 rounds). 1-8 rh twist 6 groove button rifled, .936 under gas block. Target crowned - not threated. M4 feedramps.

AR-15 5.56/.223 10.5" Pistol Hybrid Keymod Upper Assembly Includes: - Chamber - 5.56 NATO  (Shoots both .223 and 5.56) - Barrel Twist - 1x7 - Barrel Thread - 1/2 x 28 - Barrel Steel - 41V50 CMV, M4, Parkerized - Flash Hider - A2 - Handguard - 10" Anodized Slim Keymod Free Float (some variations of rail may apply based on stock availability, same excellent quality) - Gas Block - .750 Low Profile Gas Block, aircraft aluminum, pistol gas system - Upper Receiver - A3 Flat-Top Upper, hardcoat anodized, assembled with forward assit and dust cover. M4 feedramps.