Upper

Cmc Triggers Stripped Upper Receiver, 5.56 Nato, Fits Ar-15, Matte Finish, Black Cmc-ar15-ur-stripModel: Stripped UpperProduct Type: UpperFit: AR RiflesCaliber: 556NATO

The Noveske 4th Generation N4 Upper Receiver is a precision-machined billet receiver made from 7075-T6 aluminum, featuring extended feed ramps and Type III hardcoat anodizing. It includes a Mil-Spec...

The East India Starter Kit is a building block for any build you wish to do. Properly assembled with a USGI barrel nut, it is a great way to finish your upper without having to know how to install a...

Colts Manufacturing Le6920eprii Pro, Upper Receiver, 5.56 Nato, 16.1" Barrel, Fits Ar-15/m4 Lower Receivers, Matte Finish, Black Le6920-eprii-pro-ckModel: LE6920EPRIIProduct Type: UpperFinish/Color:...

Colts Manufacturing Le6920eprii, Upper Receiver, 5.56 Nato, 16.1" Barrel, Fits Ar-15/m4 Lower Receivers, Matte Finish, Black Le6920-eprii-ckModel: LE6920EPRIIProduct Type: UpperFinish/Color:...

Noveske Rifleworks is an American firearms company. They are headquartered in Grants Pass, Oregon and are known for their work with the AR-15 platform and the KeyMod system.Features :Noveske 4th...

The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept...

The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile...

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3" 6" and 9...

The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK...

Battle Arms Development Authority Elite, Complete Upper Receiver, 556nato, 16" Barrel, Fits Ar-15, M-lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 Ambidextrous Charging Handle And...

Battle Arms Development Workhorse, Complete Upper Receiver, 556nato, 16" Barrel, Fits Ar-15, M-lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 C Ambidextrous Charging Handle And...

The PWS MK1 MOD 2-M line, revamped for 2018" features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive...

The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut...

Bootleg Stripped Upper/lower Receiver Set, 223 Remington/556 Nato, Ambidextrous, Anodized Finish, Black Bp-lr-1Model: LowerProduct Type: Stripped Lower ReceiverCaliber: 556NATO

The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept...

This EPC-9 Complete Upper Receiver comes standard with the ATLAS S-ONE Handguard. The S-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to...

The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this...

Aero Precision M5 Complete Upper, 308 Winchester, 16" Barrel, 1:10 Twist, Rifle Length Gas System, Atlas S-one Handguard, Cerakote Finish, Does Not Include Bcg Or Carry Handle Apar538715m22

Aero Precision Ar15 Complete Upper, 223 Remington/556nato, 16" Barrel, Magpul Moe Handguard, A2 Front Sight Block, Mid Length Gas System, Anodized Finish, Black, Does Not Include Bcg Or Carry Handle...

Bootleg Four Position Adjustable Carrier, Ar-15, Complete, Black Finish, Blem (damaged Packaging) Bp-c15-dProduct Type: Bolt CarrierDescription: Bolt Carrier Group

Battle Arms Development Workhorse, Upper Receiver Assembly, 223 Remington/556nato, 16" Barrel, Mid-length Gas System, Anodized Finish, Black, A2 Flash Hider, Workhorse 15" M-lok Free Float Handguard,...

Battle Arms Development Workhorse, Upper Receiver Assembly, 223 Remington/556nato, 10.5" Barrel, Carbine-length Gas System, Anodized Finish, Black, A2 Flash Hider, Workhorse 9.5" M-lok Free Float...

Battle Arms Development Xiphos Upper Receiver, Stripped, 9mm, Anodized Finish, Black, Billet 7075-t6 Aluminum Construction Bad-pcc-urModel: XIPHOS Upper ReceiverProduct Type: UpperFinish/Color:...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...

Meet CMMGs newest long-range offering. Chambered in Hornadys new 6mm ARC (Advanced Rifle Cartridge), the CMMGs RESOLUTE upper receiver group allows you to pair this exciting caliber with your...

CMMGs RESOLUTE lineup is engineered with purpose for those who refuse to compromise on quality. Each RESOLUTE rifle comes with a 16-inch barrel and is designed for balance, accuracy and...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use...

Ballistic Advantage Ba10, Upper, Black, Ar-10, Anodized Bapa100091Model: BA10Product Type: UpperFinish/Color: AnodizedFit: AR-10

Ballistic Advantage Upper, Black, Ar-15, Anodized Bapa100084Product Type: UpperFinish/Color: AnodizedFit: AR-15

Ballistic Advantage Upper, Black, Ar-15, Anodized Bapa100049Product Type: UpperFinish/Color: AnodizedFit: AR-15

Black Rain Ordnance, Inc. is a precision rearms manufacturer specializing in the modern sporting rifle design. Founded in 2009 with a benchmark to only manufacture weapons we would personally be...

Black Rain Ordnance, Inc. is a precision rearms manufacturer specializing in the modern sporting rifle design. Founded in 2009 with a benchmark to only manufacture weapons we would personally be...

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.Features :M4 Feed RampsForward AssistUpper Receiver

Complete Bolt carrier group, Machined from S7 Tool Steel, Lithium Isonite Coating, 4 Setting Adjustable Vent System relieves excess gas pressure created from suppressor use, creating longer dwell...

When it comes time to replace your gas tube, or youre simply customizing your upper assembly, the gas tubes are an integral part of your upper receiver assembly, so its important to ensure youre...

Fine tune your ARs gas system with a Bootleg, Inc. Low Profile Gas Block! Regulate your ARs gas from the initial combustion back to the bolt carrier group, helping your rifle cycle quickly and...

The new Bootleg CamLok Handguards are the next evolution in lightweight, easy to install AR-15 handguards. These handguards are extruded 6061 Aluminum and feature a Mil-Spec Hard Coat Anodizing. The...