Classic looks or modern performance? The Br4 DISSENT in 22 ARC doesn’t force you to pick. Classic looks come from the new Br4 platform with it’s Magpul SGA stock (Remington 870 pattern) with modern amenities like ambi/reversible controls M-LOK handguard and the 22-250 level of ballistics packed into the small frame compatible 22 ARC. – Platform Br4 – Caliber .22 ARC – Operating System 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 1/2 x 28 – Gas Port Location Rifle – Gas Block Adjustable 0.750 – Upper Receiver DISSENT 7075 T6 Aluminum – Lower Receiver Br4 Billet 7075 T6 Aluminum – Hand Guard CMMG 15 Proprietary – Finish Cerakote – Charging Handle Dissent Side Charger Left – Stock / Brace Magpul SGA Remington 870 – Trigger Type ZEROED Drop-In Single Stage – Trigger Guard Integrated – Safety Selector Reversible Cross Bolt – Magazine (2) CMMG 10rd – Weight 8 lbs – Length 38.1