Upper Receivers/Conv Kits

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...

Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22LR so trips to the range dont break the bank. Or if you want to teach your kid the fun of shooting but dont want him/her to...

Geissele Automatics Super Duty Mod1, Complete Upper Receiver, 556nato, 14.5" Pinned (16" Oal) Barrel, M-lok Free Float Handguard, Geissele Airborn Charging Handle, Nanoweapon Reliability Enhanced...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22LR so trips to the range dont break the bank. Or if you want to teach your kid the fun of shooting but dont want him/her to...

Geissele Automatics Super Duty Mod1, Complete Upper Receiver, 556nato, 16" Barrel, 1:7 Twist, Huxwrx Flash Hider-qd 556, 15" Smr Mk16 M-lok Free Float Handguard, Geissele Airborn Charging Handle,...

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...

The Non-Reciprocating Charging Handle (NRCH) assembly upgrade kit gives current FN SCAR Owners even more adaptability and modularity for their rifles with new, nonreciprocating, dual charging...

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

Advantage Arms Conversion Kit: Convert your Palmetto Dagger Compact down to 22lr so trips to the range dont break the bank. The MOD-CA series is meant to fit your Palmetto Dagger Compact and includes...

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...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. Or if you want to teach your kid the fun of shooting but dont want him/her to...

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

Bootleg Gas Tube, Silver, Mid Length Gas Tube Bp-gtm-sProduct Type: Gas TubeDescription: Mid Length Gas Tube

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...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. Or if you want to teach your kid the fun of shooting but dont want him/her to...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. Or if you want to teach your kid the fun of shooting but dont want him/her to...