Results for 45 ACP Upper Receivers

CMMG MkG .45 ACP Resolute Upper Group Receiver 16.1in Charcoal Green

New Frontier Pistol Caliber Billet AR-9/45 Slick Side Upper with LRBHO - Gen2

Foxtrot Mike Products 16" Rear Charging .45 AR-15 Complete Upper

Ar-15 Mike-45 45acp Build Kits - Mike-45 45acp Builder Kit 9.75''''

Foxtrot Mike Products 16 Forward Charging 45 ACP AR-15 Complete Upper

Foxtrot Mike Products 5" Rear Charging .45 AR-15 Complete Upper

Foxtrot Mike Products 16" Rear Charging .45 AR-15 Complete Upper

Foxtrot Mike 16" Rear Charging .45 AR-15 Complete Upper, 15" Handguard, CA Compliant Brake, Includes BCG

Foxtrot Mike Products 16" Rear Charging .45 AR-15 Complete Upper

Quarter Circle 10 Big Tex (GLF) Rear Charging .45ACP PCC Builders Kit - 7.5"

AR-STONER AR-15 Pistol Complete Upper Receiver 45 ACP 7" Barrel

AR-STONER AR-15 Pistol Complete Upper Receiver 45 ACP 10" Barrel

AR-STONER AR-15 Rifle Kit 16" Barrel 45 ACP

TacFire AR-15 Upper Receiver

ANDERSON Stripped Upper Receiver Black

CMMG AR-15 Banshee Complete Upper Receiver 45 ACP 8" Barrel

AR-STONER T-Series AR-15 Unassembled Rifle Kit 16" Barrel 45 ACP

AR-STONER T-Series AR-15 Unassembled Pistol Kit 7" Barrel 45 ACP

AR-STONER T-Series AR-15 Unassembled Pistol Kit 4" Barrel 45 ACP

FM-PRODUCTS FM45 COMPLETE 5IN BBL UPPER

STERN DEFENSE 4 INCH MOD4 MLOK 4INCH BARREL 45 AUTO

CMMG MkG .45 ACP Banshee Fixed Ejection Upper Group Receiver 8in 1-16 Twist 0.578x28 TPI .750in Tungsten

CMMG MkG .45 ACP Banshee Fixed Ejection Upper Group Receiver 8in 1-16 Twist 0.578x28 TPI .750in Midnight Bronze

CMMG MkG .45 ACP Banshee Fixed Ejection Upper Group Receiver 8in 1-16 Twist 0.578x28 TPI .750in Coyote Tan