223 Remington Upper Receivers

Sons of Liberty Gun Works 14.7" Swampfox Complete Upper

LUTH-AR 16" Lightweight AR 15 .223 Remington Complete Upper

Sons of Liberty Gun Works 11.5" M4-89 Upper

Sons of Liberty Gun Works 10.5" M4-89 Upper

Sons of Liberty Gun Works Patrol Complete Upper

Midwest Industries 10.5" AR 15 Pistol Upper

Battle Arms BAD556-LW Lightweight 7075-T6 Billet Upper Receiver

Sharps Bros. SBUR04 Billet Upper Receiver

Luth-AR Assembled A3 AR 15 Upper Receiver

Wolf T91 AR15 Upper 14.5"

Wolf T91 AR15 Upper 12" SHORTY

Colt M16A1 Upper Receiver Assembly - Auction

Colt M16A1 653 Carbine Parts Kit - Auction

Colt M16A1 Upper Receiver Lot - Auction

Colt Clone M16A1 Upper Receiver Stripped

M16A1 C7 Stripped Upper Receiver w/ Brass Deflector - No Feedramps

NBS Premium Series 16" Upper Assembly w/ BA Barrel and Geissele MK8 Handguard

LMT MRP Rifle Length AR-15 Quad Rail Upper Receiver

NBS AR-15 Assembled Upper Receiver

Aero Precision AR-15 M4E1 Enhanced Upper Receiver - Kodiak Brown

Obsidian Arms 15C Upper Receiver Billet Black Hardcoat

NBS Slick Side Billet Receiver & M-LOK Handguard Combo - 15"

NBS Slick Side Billet Receiver & M-LOK Handguard Combo - 4"

NBS Slick Side Billet Receiver & M-LOK Handguard Combo - 12"