Upper Receivers

Aero Precision

Aero Precision AR15 Assembled Upper Receiver - Burnt Bronze Cerakote

The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with...

Aero Precision

Aero Precision AR15 10.5" 5.56 Complete Upper

This AR15 Complete Upper Receiver, paired with the ATLAS R-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver...

Aero Precision

Aero Precision AR15 5.56 16" Complete Upper

This AR15 Complete Upper Receiver, paired with the ATLAS R-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver...

Aero Precision

Aero Precision M4E1 10.5" 5.56 Complete Upper Receiver

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included ATLAS R-ONE Handguard is designed with size and weight in mind, while...

Aero Precision

Aero Precision M4E1 16" .223 Wylde Complete Upper

This complete upper includes our ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable...

3rd Gen Tactical

3rd Gen Tactical Stripped Upper

Passion, Precision Performance! The perfect part deserves the perfect companion. Engineered out of 7075 T6 Billet Aluminum and featuring a flat rail for accessories, our upper receiver is a flawless fit for our Humboldt Lower Receiver or any existing...

Daniel Defense

Daniel Defense DDM4V7 Lightweight Upper Receiver

The Daniel Defense M4 V7 LW Upper Receiver Group is built around a Cold Hammer Forged 16" Lightweight profile barrel-which is two ounces less than a standard V7 barrel-and equipped with a DD improved Flash Suppressor to reduce flash signature. It...

Aero Precision

Aero Precision EPC-9 Threaded Upper Receiver w/ LRBHO

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 upper receiver will help take your pistol caliber build...

Aero Precision

EPC-9 16" 9mm w/ ATLAS S-ONE 15" Handguard

This EPC-9 Complete Upper Receiver comes standard with our ATLAS S-ONE Handguard. The S-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our...

Anderson Manufacturing

Anderson Manufacturing AM-15 Assembled Upper Receiver

The AM-15 Assembled Upper Receiver comes with the dust cover forward assist & charging handle already installed. This upper is machined from 7075 T6 Aluminum forging. Featuring M4 feed ramps this upper receiver is machined to Military Specifications...

Daniel Defense

Daniel Defense DDM4 V7S 11.5" Complete Upper

The Daniel Defense M4 V7 S Upper Receiver Group is built around a Cold Hammer Forged 11.5" Government profile barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a carbine length gas system for smooth, reliable...

Daniel Defense

Daniel Defense M4A1 FSP URG Surefire FH FDE

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel,...

Aero Precision

Aero Precision .308 / 7.62 Bolt Carrier Group - Black Nitride

This M5 .308/7.62 bolt carrier is a firing mechanism for your big-bore rifle build. It features a mil-spec phosphate finish, is made of steel, chrome lined gas key and firing pin channel, and has forward assist serrations. The bolt features double...

Midwest Industries

MI Complete Upper .223 Wylde 16" Lightweight

American Defense Mfg.

American Defense Mfg MOD2 Complete Upper 223 Wylde 14.50"

American Defense Mfg MOD2 Complete M-LOK Upper Receivers in .223 Wylde come complete with Criterion Barrel, Premium Bolt Carrier Group, Raptor Charging Handle and Surefire Warcomp muzzle device.

American Defense Mfg.

American Defense Mfg MOD2 Complete Upper 223 Wylde 16"

American Defense Mfg MOD2 Complete M-LOK Upper Receivers in .223 Wylde come complete with Criterion Barrel, Premium Bolt Carrier Group, Raptor Charging Handle and Surefire Warcomp muzzle device.

Daniel Defense

Daniel Defense DDM4 300 S Complete Upper 300 Blackout 10.3"

High quality components and precise manufacturing makes Daniel Defense Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.

Colt

Colt Complete Upper 11.5" LW Barrel, A2 FSP

High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years of service you can count on.

Aero Precision

Aero Precision M5 .308 Stripped Upper Receiver - Anodized Black

The M5 .308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Match this with our M5 .308 lower receiver for a solid...

Bravo Company Mfg

BCM Standard 11.5'' Carbine URG w/ BCM MCMR-10 Handguard

These Barreled Upper Receiver Groups are designed for shooting professionals and responsible civilians with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.

Bravo Company Mfg

BCM Standard 16'' Mid Length URG w/ BCM MCMR-15 Handguard

These Barreled Upper Receiver Groups are designed for shooting professionals and responsible civilians with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.

Primary Weapons Systems

PWS MK1 Mod 1 Complete Upper .223 Wylde 7.75"

The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...

Midwest Industries

Midwest Industries Upper 10.5" 5.56 Barrel

This Forged 7075 T6 Aluminum Upper features an M-LOK compatible handguard, M4 feedramps, Melonite finished barrel and Hard Coat Anodizing.

Aero Precision

Aero Precision Thunder Ranch Complete Upper M4E1 16" 5.56 Mid

The Thunder Ranch product line is a joint venture between Aero Precision and Thunder Ranch. Aimed to achieve Clint Smith's ideal purpose built "Ultimate Carbine", these products include key features requested from Clint Smith himself but with an Aero...