<p>Pws MK 114 MOD 1 Rifle Modeled after the M4 pattern rifled. Mid-length gas piston system. Operating system features a long stroke fixed operating rod design with an adjustable gas block. VLTOR KeyMod System handguard with two 2-inch sections of 1913 rail and a continuous 1913 top rail. Mil-spec forgings used for upper and lower receivers. Stainless Isonite treated barrel with 1:8 inch twist. Enhanced bolt carrier group. BCM Gunfighter charging handle. Magpul MOE stock and grip. Magpul MOE trigger guard. Magpul PMAG. Enhanced buffer tube and ALG Defense QMS trigger. Permanently attached flash hider for overall barrel length of 16 inches. Chambered in .223 Wylde to accommodate 5.56mm and .223 Remington ammunition with accuracy.</p>