Primary Weapons Systems MK111 MOD 2-M .223 Wylde 11.85" Barrel Complete Upper, Black - 182M111UA0B

Primary Weapons Systems MK111 MOD2-M Upper Receiver .223 Wylde 11.85 inch Barrel Matte Black. 223 Wylde. For AR 15 pistols the Primary Weapons Systems MK111 MOD2-M 11.85 inch .223 Wylde Upper Receiver is exactly what you need. IF you're unfamiliar with .223 Wylde this caliber means the upper receiver is rated to handle both .223 Remington and the higher-pressure 5.56x45mm NATO giving you a wide range of ammo versatility. Even though these types of ammo are the same caliber the difference in pressure can damage some weapons so you need something chambered in .223 Wylde. The MK111 MOD2-M is slightly longer than other AR 15 pistols it is still short enough to give you incredible maneuverability in tight environments. Plus since .223 Wylde is a rifle caliber it needs a slightly longer barrel to fully burn the powder in your round and ensure proper accuracy. And with the included Triad 556 flash hider you don't have to worry about a blinding fireball with each shot. Specifications for Primary Weapons Systems MK111 MOD2-M 11.85 inch .223 Wylde Upper Receiver: Manufacturer: Primary Weapons Systems Cartridge: .223 Wylde Barrel Length: 11.85 in Muzzle Device: PWS Triad 556 Finish: Matte Color: Black Condition: New Magazine Included: No Features of Primary Weapons Systems MK111 MOD2-M 11.85 inch .223 Wylde Upper Receiver: 11.85-inch Barrel Triad 556 Flash Hider Matte Black Finish Complete Upper Receiver Chambered in .223 Wylde - Accepts both .223 Remington and 5.56x45mm NATO Package Contents: Primary Weapons Systems MK111 MOD2-M .223 Wylde 11.85in bbl Upper Receiver Primary Weapons Systems 18-2M111UA0B: MK111 MOD2-M Upper Receiver .223 Wylde 11.85 inch Barrel Matte Black