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

Primary Weapons Systems

CMMG Resolute MK4, Upper Receiver, 6MM ARC, 16.1 Barrel, Cerakote Finish, Armor Black 60B1091-AB

CMMG

Spike's Tactical 14.5-inch 1:7 Black Upper Assembly with Pinned 16-inch OAL Barrel

Spike's Tactical

Heckler & Koch MR556 A4 Upper Receiver Kit with 16.5-inch Barrel, Black

Heckler & Koch

Radian Weapons R0473 Flat Dark Earth 16-Inch 1:8 Barrel 223 Wylde Upper

RADIAN WEAPONS

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

Bootleg

Aero Precision EPC-9-T Complete Upper Receiver with ATLAS S-ONE Handguard in Black

Aero Precision

Radian Weapons R0628 Radian Upper and Hand Guard Set in Olive Drab Green

RADIAN WEAPONS

Geissele Automatics Super Duty MOD1 Complete Upper for AR-15, 5.56 NATO, Desert Dirt Color

Geissele Automatics

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