DoubleStar Carlson Nitro Flash Enhancer for AK47 Muzzle Brake Black. When you attach these Muzzle Brakes & Compensators by DoubleStar the gas from your shots rapidly escapes through special convex ports which creates a large muzzle flash. Get movie-like shots off at the range and feel the true power within your rifle. The Doublestar Nitro Flash Enhancer for AK47 Rifles also acts as a compensator with the way it diverts the gas. Turn heads at the range and have a blast with your AK-47 when you equip the Doublestar Nitro Muzzle Flash Enhancer. Specifications for DoubleStar Carlson Nitro Flash Enhancer for AK47 Muzzle Brake: Manufacturer: DoubleStar Color: Black Caliber: 7.62x39mm Finish: Black Nitride Gun Make: Kalashnikov Gun Model: AK-47 Condition: New Features of Doublestar Carlson Nitro Flash Enhancer for AK47 Muzzle Brake Thread pitch: 1.4 x 1 LH Metric Style: AK47 Package Contents: Doublestar Carlson Nitro Flash Enhancer for AK47 Muzzle Brake What firearm models does the manufacturer say DoubleStar Carlson Nitro Flash Enhancer for AK47 Muzzle Brake is compatible with? The manufacturer says that DoubleStar Carlson Nitro Flash Enhancer for AK47 Muzzle Brake is compatible with AK-47DoubleStar CC477: Carlson Nitro Flash Enhancer for AK47 Muzzle Brake Black