The KAK Industry Plan-B Radial Brake is a 1/2x28 threaded muzzle brake with a .375 inch bore, so it works on rifles from 223/5.56 up to 9mm. Its radial ports cut muzzle rise and recoil, and it is part of the Plan-B system: a taper ahead of the threads gives repeatable lockup and a proper seal with a Plan-B suppressor hub. It is machined from steel with a black nitride finish.
- Manufacturer Part # : 410-2103-009
- Type : Muzzle Brake
- Thread Pitch : 1/2x28
- Bore : .375"
- Caliber : 223 Remington / 5.56 NATO to 9mm
- Compatibility : Plan-B Suppressor Hubs
- Material : Steel
- Finish : Black Nitride
- Length : 1.85"
- Weight : 1.7 oz
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