Advantage Arms Glock Conversion Kit for LE19-23 G5 - .22 LR Caliber

Advantage Arms

Advantage Arms Glock Conversion Kit for LE26-27 with Bag - .22 LR Caliber

Advantage Arms

Primary Weapons Systems MK116 MOD 1-M Upper Receiver for 7.62x39 with 16.1-Inch Barrel in Black

Primary Weapons Systems

Spike's Tactical SFT50M4 Forged M4 Upper Receiver - Black

Spike's Tactical

Spike's Tactical SFT52B2 Gen 2 Billet Upper Receiver in Black

Spike's Tactical

Primary Weapons Systems UXR Elite Conversion Kit in .223 Wylde for 16-inch Barrel

Primary Weapons Systems

Bootleg Billet AR-15 Upper Receiver BP-UR-1A – Lightweight, Durable, MIL-SPEC Coated

Bootleg

Lantac Recon Upper Receiver Group for 223 Wylde, 16-inch Barrel - Black

LanTac USA LLC

Steyr Arms AUG 9x19mm Police Training Conversion Kit – 16-Inch Threaded Barrel, 28-Round Magazine

Steyr Arms

Savage Arms Single Shot Adapter for Axis & 110 Models - Model 56306

Savage Arms

Battle Arms Development WORKHORSE 556 Upper Receiver - 16 Inch Black for .223 Remington

BATTLE ARMS DEVELOPMENT

Battle Arms Development WORKHORSE 16-Inch Upper Receiver in Black for 5.56 NATO

BATTLE ARMS DEVELOPMENT