What do you use 300BLK for? With subsonic and supersonic loadings available for self-defense hunting and target shooting there’s no wrong answer. 300BLK has solidified itself as one of the most user-tailored cartridges out there today. With a 16.1 barrel this DISSENT® feels meant to be in and leaves no performance behind. - Available in a variety of custom Cerakote finish options; the rear of every DISSENT rifle features the DISSENT side folding stock with adjustable length of pull and adjustable cheek riser. A forward non-reciprocating charging handle allows for quick and easy manipulation without coming off target and the M-LOK handguard with top picatinny rail provides ample mounting space for whatever accessories you please.300 BLK is an incredibly adaptable cartridge with different loadings for specific uses like suppressed. With the adjustable gas block on each 300 BLK DISSENT you can fine tune the gas system to best suit the supersonic or subsonic ammo loadings you like best. - Platform: Mk4 - Caliber: .300 BLK - Operating System: Compact Action-Direct Impingement - Barrel Length: 16.1 - Barrel Twist: 1:7 - Barrel Contour: MT - Barrel Material: 4140CM SBN - Barrel Twist: 1:7 - Muzzle Device: CMMG ZEROED Muzzle Brake - Muzzle Thread: 5/8 x 24 - Gas Port Location: Carbine - Gas Block: Adjustable 0.750 - Upper Receiver: DISSENT 7075 T6 Aluminum - Lower Receiver: Mk4 Forged 7075 T6 Aluminum - Hand Guard: CMMG 15 Proprietary - Finish: Cerakote - Charging Handle: Dissent Side Charger - Reversible - Pistol Grip: CMMG ZEROED Pistol Grip - Receiver Extension: DISSENT Folding Stock Adapter - Stock/Brace: DISSENT Side Folding Stock - Trigger Type: ZEROED Drop-In - Trigger Guard: CMMG ZEROED Trigger Guard - Safety Selector: CMMG ZEROED 60/90 Degree - Magazine: Magpul 300BLK 30rd PMAG (2) - Weight: 6.4 lbs - Length: 33.3 - 35.5 (25.9 Folded)