Product Features & SpecificationsFinish: Black Reinforced polymer bullpup stock type Fully ambidextrous platform Short-stroke gas piston system with 4-position gas regulator (with OFF position) & closed rotating bolt Full-length MIL-STD 1913 top rails M-LOK forend with short MIL-STD 1913 bottom rail Hammer-forged chrome-lined CMV barrel 1:12" twist Pistol grip can be changed or modified Lock the charging handle without the bolt catch Reversible ejection side & charging handle Ambidextrous 45-degree safety lever mag release & bolt catch 20-round LR/SR25 mag included OAL: 26.75" Wt.: 9 lbs. UPC: 818004020364 SKU: T7B16