The CMMG Dissent Br4 5.56x45mm rifle in Midnight Bronze has a threaded 16.1-inch barrel with a ZEROED SVB brake on 1/2×28 threads (brand part no. 55A520BMB). CMMG built the Br4 as a rifle for restricted states, and it blends traditional controls with modern engineering. A Magpul SGA stock for the Remington 870 pattern and a reversible crossbolt safety complete the controls. It handles hunting, sporting and defensive use with equal ease. Two 10-round PMAGs are included.

Key Specifications

• The chambering is 5.56x45mm, a common and affordable caliber.
• The barrel is 16.1 inches long with a 1:7 twist and is threaded for muzzle devices.
• A ZEROED SVB muzzle brake comes installed.
• Muzzle threads are 1/2×28, so standard 5.56 devices fit.
• An adjustable 0.750-inch gas block lets you tune the gas system.
• The stock is a Magpul SGA for the Remington 870 pattern.
• The safety is a reversible crossbolt.
• The finish is Midnight Bronze Cerakote over the billet Br4 lower and DISSENT upper.
• The trigger is a ZEROED drop-in single-stage unit with an integrated trigger guard.
• It includes two 10-round Magpul PMAG magazines and weighs 8 pounds.

Frequently Asked Questions

Is this Br4 threaded? Yes. The 16.1-inch barrel is threaded 1/2×28 and wears a ZEROED SVB brake from the factory.

What color is it? This one is finished in Midnight Bronze Cerakote.

What magazines are included? It includes two 10-round Magpul PMAG magazines.

Buy the CMMG Dissent Br4 Rifle, 5.56x45mm, 16.1-Inch, Midnight Bronze, Threaded Barrel, Muzzle Brake, 10-Round

The threaded Midnight Bronze Br4 mixes traditional ergonomics with a brake-equipped 5.56 barrel. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and see our other semi-auto rifles.