The PW MK1 MOD 2-M series incorporates the PWS long stroke piston system, maintaining consistent internal components with other PWS models. However, the MK1 MOD 2-M distinguishes itself with unique features. Notably, it includes the patent-pending PicLok technology on the free-float handguard enabling the attachment of either picatinny or M-LOK accessories to the firearm's front. This upper assembly is equipped with an 11.85 inches barrel, a Radian Raptor charging handle and is chambered for .223 Wylde. Operating system - PWS long stroke piston system featuring a 3-setting adjustable gas system Carbine length gas system Muzzle velocity is 2741 fps The PWS Triad 556 is a precision-engineered muzzle device designed to enhance the performance of firearms chambered in 5.56x45mm PWS proprietary piston upper, constructed from 7075-T651 aluminum alloy, featuring a hardcoat anodized finish in accordance with MIL-A-8625, type III, class 2 specifications Handguard specification - PWS PicLok 11 inches handguard with dimensions of 1.7 inches in width and 2-1/4 inches in height Radian Raptor ambidextrous charging handle