Primary Weapons Systems MK114, Mod 2-M, Semi-automatic Rifle, 223 Wylde/556NATO, 14.5 Pinned (16 OAL) Barrel, 1:8 Twist, Mid-length Gas System, FSC556 Muzzle Device, Anodized Finish, Black, Magpul Grip, Magpul MOE Stock, 30 Rounds, 1 Magazine MK1-M2R-223-14-PW The Primary Weapons Systems MK114 MOD 2-M, an advanced M4 pattern weapon, is the most compact package not requiring NFA paperwork. It features a 14.5" barrel with pinned and welded PWS FSC compensator to bring it to a legal 16" length. Additional features include the reliable PWS long stroke gas piston operating system, 13.5" M-LOK handguard, Radian Raptor charging handle, PWS ambidextrous lower receiver, mil-spec enhanced trigger, PWS enhanced buffer tube, H2 enhanced buffer and BCM stock and pistol grip.