Wilson Combat TRPC300HBL: Wilson Combat's Protector Carbine rifle features Mil/Spec forged upper and lower receivers, match grade stainless barrel with Q-Comp flash hider, and a mid-length gas system for enhanced reliability and durability with low profile gas block. It utilizes a M-LOK compatible hand-guard with a 4 accessory rail and QD sling mount, nitride coated precision BCG, M2 two-stage TTU trigger, and a Rogers super-stoc buttstock with BCM Starburst pistolgrip.