Pistol Caliber Ferfrans CRD Muzzle Brake for 9mm
Ferfrans CRD (Concussion Reduction Device) Muzzle Brake with 5/8×24 thread pitch. We’ve bored out the center of the brake to .50″ so it accepts all pistol calibers and also added a thread adapter (1/2×36-5/8×24) so there’s no issues getting it onto your 9mm pistol build complete upper. All you have to do is take off your old muzzle brake and replace it with the CRD modular.
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