Upper Receivers

The Sons of Liberty Gun Works Broadsword M4-89 Stripped Upper Receiver, part of the BROADSWORD Billet series, is a 7075-T6 billet aluminum receiver with a hardcoat anodized black finish. Ideal for starting a new AR-15 build, it perfectly matches the...

Luth-AR A3 Upper Receiver Parts Kit The A3 Upper Receiver Parts Kit for AR-15 includes the ejection port cover, ejection port rod, ejection port C-clip, ejection port spring, forward assist button, forward assist spring and forward assist pin. Fits...

The CMMG AR-15 Hand Guard Slip Ring Kit is what you need to secure your handguard. Fits AR-15 Platform Firearms. Does NOT fit .308 AR Firearms. CMMG, Hand Guard Slip Ring Kit, Includes Slip Ring, Spring, and Retaining Ring, Black Fits AR-15...

From 2A Armament Palouse-Lite Forged Upper Receiver that is part of the new 2A Armament Builder Series. It is available as a complete set or as upper or lower only. The Builder Series will offer a vast number of 2A Armament components that have been made...

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. Colt's Manufacturing, Upper, 223REM/556NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps M4 Feed Ramps Forward...

Precision Reflex - Flat Top Upper Receiver w/ Forward assist and Dust Cover AR15 Forged Flat Top Receiver is constructed of T6 7075 forged aluminum machine to Mil spec standards. Comes with dust cover and forward assist. Avaialable in Black or...

 Spike's Tactical, Generation 2, Billet, Upper, 223 Remington, 556NATO, Black, Mil-Spec Barrel Nut

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. Colt's Manufacturing, Upper, 223REM/556NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps M4 Feed Ramps Forward...

Bootleg Mil-Spec Complete Upper, AR15, Flat Top, M4 Feed Ramps U.S.A. sourced 7075-T6 Aluminum Fully Assembled with forward assist, and ejection port cover Bead blasted and hard coat anodized black (Type III, Class 2 ) Upper receiver features M4...

The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower...

LBE Unlimited is a leading producer of US Made gun parts and accessories, particularly for the AR-15 platform. Whether you're in the middle of an AR build or you're just looking to upgrade a key component, LBE has you covered with reliable parts and...

Luth-AR stripped .223 Remington receivers are A3 flattop with M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist housing, and ready for an ejection port cover. Precision machined...