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Aero Precision APAR308503AC Assembled Receiver 308 Win 7075-T6 Aluminum Black Hard Coat Anodized Receiver for M5 Platform

Aero Precision APAR308505AC Assembled Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform

Aero Precision APAR501801AC Assembled Receiver Multi-Caliber 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for AR-15

Aero Precision APAR501603AC Assembled Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15

Aero Precision APAR611310AC Assembled XL Receiver 7075-T6 Aluminum Black Anodized Receiver for AR-15

Aero Precision APAR620201AC EPC-9 Threaded Receiver 9mm Luger 7075-T6 Black Anodized Aluminum for AR-Platform

Aero Precision APAR600201AC M4E1 Enhanced Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized Receiver for AR-15

Aero Precision APAR700201C M4E1 Threaded Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized Receiver for AR-15

Aero Precision APAR308554M45 M5E1 Enhanced Receiver 6.5 Creedmoor 20" Stainless Steel Barrel, 7075-T6 Aluminum Black Anodized Receiver, Aero Gen2 Enhanced Free-Floating M-LOK Handguard for M5 Platform

Aero Precision APAR308506AC M5E1 Enhanced Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform

Aero Precision APAR308505C Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform

Aero Precision APAR501603C Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15

Aim Sports AR5CUB3 Complete Upper Assembly 5.56x45mm NATO 16" Black Nitride Barrel 7075-T6 Aluminum Black Hard Coat Anodized Receiver 15" M-LOK Free-Float Handguard for AR-15

Aim Sports AR5CUB5 Complete Build Kit 5.56x45mm NATO 16" Aluminum Black Hard Coat Anodized Receiver for AR-15

Alexander Arms UTA50 Tactical Complete Upper 50 Beowulf 16" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15

Alexander Arms UTA65 Tactical Complete Upper 6.5 Grendel 16" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15

Alexander Arms KIT50 Upper Parts Kits 50 Beowulf 16" Black Barrel, Aluminum Black Receiver for AR-15

Anderson B2K612DF000P Optic Ready Complete Upper 6.5 Grendel 16" Black Barrel, 7075-T6 Aluminum Black Anodized Receiver, A2 Handguard for AR-15 (Retail Packaged)

ATI ATIHUP200 Omni Hybrid Multi-Caliber Polymer Black Receiver for AR-15

Black Rain Ordnance BROCARNIVORE450B BRO Carnivore 450 Bushmaster 16"

Black Rain Ordnance BROCARNIVORE458S6 BRO Carnivore 458 SOCOM 16"

BCM 4URM4 BCM M4 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15

Bushmaster 0040011BLK Bravo Zulu Complete Upper 5.56x45mm NATO 16" CMV Nitride, Black, Flat Top Aluminum Rec, 14" BFI M-LOK Handgaurd, Snake Charmer Muzzle Brake, Mid-Length Gas, Fits AR-15

Bushmaster 0040008BLK M4 Patrolman's Upper 5.56x45mm NATO 20" Black Rec/Barrel for AR-15

Bushmaster 0040004BLK M4 Patrolman's Upper 5.56x45mm NATO 16" Black Nitride Barrel, 7075-T6 Aluminum Black Receiver, M4 Handguard for AR-Platform