Faxon Firearms Stripped AR-15 Upper Receiver - .338 ARC

Faxon Firearms FXPRO33A125GA1075 Pro 338 ARC 30+1 12.50 Black Nitride Match Grade Threaded Barrel, Black Aluminum Receiver w/Picatinny Rail, M-LOK Handguard, Black SB Tactical SBA3 Brace, Ergonomic

Faxon Firearms Ascent 16" Railed Upper .22 ARC Rifle-Length no BCG&CH, Black

LBE Unlimited M4 Stripped Upper Receiver, Fits AR15, Black Finish ARSTUP

GUNTEC AR15 STRIPPED BILLET - UPPER RECEIVER BLACK

Luth-AR Stripped NC15 Forged 308 Upper Receiver, Manufactured from 7075-T6 Aluminum, Hard-Coat Anodized, Features Upper Picatinny Rail for Mounting Optics and Accessories 308-FTT-EA

MAMMOTH ARMS MAMMOTH ARMS A3 UPPER RECEIVER PARTS KIT CO

AERO PRECISION AR15 5.56 NATO / 223 Rem 20" Complete Upper Receiver w/ Carry Handle | Black