Shooting in close quarters or mid-range distances? The 14.5 DISSENT® Pistol in 300 BLK has enough barrel to extract the full performance of 300 BLK without the extra unnecessary length. Want to add a folding stock to this? No problem the ZEROED SVD Brake pinned and welded to the 14.5 barrel brings the legal length up to 16.1 so you don’t have to worry about SBRing anything. – Hosting an array of ZEROED parts and accessories the Mk4 DISSENT builds on the renowned AR15 manual of arms. One main exception is the forward non-reciprocating sider charger. This allows the shooter to configure the DISSENT with either a left or ride-side charging handle that can be manipulated while aiming downrange. The patent pending Compact Action removes the need for an AR buffer system and replaces it with a 1913 Picatinny rail end plate perfect for attaching a variety of accessories including slings folding stocks and pistol braces.Each DISSENT is available in a range of Cerakote finish options ensuring that the DISSENT matches your style and not just any style. – 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: Direct Impingement – Barrel Twist: 1:7 – Barrel Contour: MT – Barrel Material: 4140CM SBN – Barrel Twist: 1:7 – Muzzle Device: CMMG ZEROED SVD Brake Pinned & Welded – 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 13.5 Proprietary – Finish: Cerakote – Charging Handle: Dissent Side Charger – Reversible – Pistol Grip: CMMG ZEROED Pistol Grip – Buffer Type: N/A – Receiver Extension: 1913 Picatinny Rail End Cap – 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: 6.0 lbs – Length: 24.9