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Mfg Item #: OCL-804
The OTB Muzzle Brake works the same as our standard OTB mount, only with a built in muzzle device Made from H900 heat treated 17-4 steel this one piece adapter will allow you to mount your OPS 12th model, OCM5 or AEM5 to ANY barrel with 1/228 threads that is .75 or less OD and a minimum of 2.05 of exposed barrel MEASURED FROM THE SHOULDER. It comes with a shim kit for timing in the box and this shim kit is the only approved method for timing.
