Upper Receivers

Centurion Arms MK11 Billet 7.62 Upper Receiver - RAL 8000 The Centurion Arms MK11 7.62 Billet Upper Receiver is engineered for builders who demand elite compatibility, rugged durability, and flawless performance. CNC-machined from billet 7075-T6...

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...

SOLGW M4-L89 Assembled Upper Receiver Group14.5" Liberty Fighting Barrel - Pinned HUXWRX Flash Hider Built for serious shooters who demand uncompromising reliability and precision, the Sons of Liberty Gun Works L89 Upper Receiver Group is a battle-ready...

Centurion Arms MK11 Billet 7.62 Upper Receiver The Centurion Arms MK11 7.62 Billet Upper Receiver is engineered for builders who demand elite compatibility, rugged durability, and flawless performance. CNC-machined from billet 7075-T6 aerospace-grade...

HK MR556 A4 Complete Upper Receiver - 11" Match Grade Barrel The Heckler & Koch MR556 A4 Upper Receiver Kit is the ultimate upgrade for serious shooters seeking unmatched reliability, precision, and suppressor-ready versatility. Built on the...

Bootleg AR15 Stripped Billet Upper Receiver - Black The Bootleg Billet Upper Receiver is a purpose-built upgrade for AR-15 platforms, offering exceptional durability and refined handling in a minimalist package. Engineered from premium billet aluminum...

EXO3 Upper 14.5" Pinned 3P15 Flash Hider (Plan-B Compatible) - 5.56 NATO The EXO3 Upper Receiver Group is built for performance, durability, and optimized weight distribution. Featuring forged upper receivers, V2 combat barrels, and 4140 steel gas...

AR Upper Receiver with Forward Assist and Ejection Port Cover Assembly Installed, Forged 7075 Aluminum, T-Marked, Interior is Dry Film Lube

Noveske, Chainsaw, Stripped Upper, N4, Black Finish

Complete A2 rear sight kit, this kit requires assembly and will mount on an A2 upper receiver. Luth-AR, A2 Rear Sight Kit, Fits A2 Upper Receivers For AR-15 Firarms, Black UR-29 A2 Rear Base Lug (x1) UR-27 A2 Rear Sight Aperture (x1) UR-28 Rear...

Luth-AR M16 A1 Assembled Upper Receiver - Black  Looking to build a high-quality retro looking AR? Start your project with a complete A1 upper receiver anodized. Comes with the standard features of a Mil-Spec upper receiver and is forged from...

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...