Ar-15 Mk1 Mod 1-M Upper Receiver Assembly 223 Wylde M-Lok - Mk111 Mod 1-M Upper Receiver 11.85 Barrel .223 Wylde

The MK111 MOD 1-M is perfect for shooters looking for a weapon with endless uses. Maintaining the shortest barrel length recommended for suppressed use, this compact upper receiver is one of the most popular from LE to heli-hunting. The MK111 upper receiver has an 11.85" barrel and a Triad556 Compensator. The MK116 MOD 1-M upper receiver comes from one of the most popular firearms PWS manufactures. Being a go-to for Law Enforcement communities looking for non-NFA items, this rifle can be seen in-use by over 85 LE communities in the United States. The MK116 upper receiver has a 16.1" barrel with a FCS 556 Compensator. Long stroke piston system M-LOK handguards Mfg: Primary Weapons