COMSTOCK COMPACT PLAN-B MUZZLE BRAKE

The Comstock Compact muzzle brake is compatible with common .900″-24 adapters like the Comstock LPA, Q Plan-B, and Rearden Atlas. The MBC greatly reduces recoil and blast baffle wear, and unlike most brakes out there, it does not need to be timed with shims.

• Allows for the quick attachment and removal of suppressors
• Significantly reduces blast baffle wear; acts as a sacrificial baffle
• High strength 17-4 PH stainless steel
• Durable black nitride finish

1/2×28 (5.56 BORE)

• Standard 1/2-28 threads for use on all common barrels
• 3/4″ wrench flats for easy installation and removal
• Effectively reduces recoil
• Rotationally symmetric and does not need to be timed with shims
• 1.6″ overall length; adds just 0.97″ to the muzzle
• 1.9 ounces
• This muzzle device may be used with bullets up to .223 or 5.56mm

1/2×28 (9MM BORE)

• Standard 1/2-28 threads for use on all common barrels
• 3/4″ wrench flats for easy installation and removal
• Effectively reduces recoil
• Rotationally symmetric and does not need to be timed with shims
• 1.6″ overall length; adds just 0.97″ to the muzzle
• 1.8 ounces
• This muzzle device may be used with bullets up to 9mm

1/2×36 (9MM BORE)

• 1/2-36 threads for use on some AR9 barrels
• 3/4″ wrench flats for easy installation and removal
• Effectively reduces recoil
• Rotationally symmetric and does not need to be timed with shims
• 1.6″ overall length; adds just 0.97″ to the muzzle
• 1.8 ounces
• This muzzle device may be used with bullets up to 9mm

5/8×24 (30 CAL)

• Standard 5/8-24 threads for use on all common barrels
• 13/16″ wrench flats for easy installation and removal
• Effectively reduces recoil
• Rotationally symmetric and does not need to be timed with shims
• 1.6″ overall length; adds just 0.97″ to the muzzle
• 1.7 ounces
• This muzzle device may be used with bullets up to .338 or 8.6mm.  This includes .308 and 7.62mm.

5/8×24 (45 CAL)

• Standard 5/8-24 threads for use on many common barrels
• 13/16″ wrench flats for easy installation and removal
• Effectively reduces recoil
• Rotationally symmetric and does not need to be timed with shims
• 1.6″ overall length; adds just 0.97″ to the muzzle
• 1.5 ounces
• This muzzle device may be used with bullets up to 45 caliber like 45 ACP, 450 Bushmaster, 458 SOCOM, etc.

.578×28 (45 CAL)

• .578-28 threads for use on many common barrels
• 13/16″ wrench flats for easy installation and removal
• Effectively reduces recoil
• Rotationally symmetric and does not need to be timed with shims
• 1.6″ overall length; adds just 0.97″ to the muzzle
• 1.6 ounces
• This muzzle device may be used with bullets up to 45 caliber like 45 ACP, 450 Bushmaster, 458 SOCOM, etc.

11/16×24 (45 CAL)

• 11/16-24 threads for use on some 45 cal barrels
• 13/16″ wrench flats for easy installation and removal
• Effectively reduces recoil
• Rotationally symmetric and does not need to be timed with shims
• 1.6″ overall length; adds just 0.97″ to the muzzle
• 1.2 ounces
• This muzzle device may be used with bullets up to 45 caliber like 45 ACP, 450 Bushmaster, 458 SOCOM, etc.

Some suppressor companies do not warranty their products when used on aftermarket mounts or muzzle devices. Always check bullet stabilization before attaching a suppressor and always use an alignment rod to ensure the suppressor system is set up correctly.  Comstock Armory will not be held liable for injury, death, or damage resulting from the use or misuse of this product.

Read installation instructions before use.

Product fitment information

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