Brownells Semi-Auto Pistol Compensator Tap – .581″-40 Tap


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SKU: 4572400589639515 Categories: ,

Use die to thread custom and standard barrels to accept recoil compensators. Use plug tap to chase threads or tap your own custom compensators. Unthreaded comps should be drilled with 3-5/64″ HSS drill then reamed to .551″ before threading with either tap. Turn barrels to approximately .002″ smaller than thread diameter. .575″-40 thread matches most commercial, tapered-sleeve or integral, cone-style comps. .581″-40 thread is same as used on Wilson, Brown and Storm Lake Machine barrels and bushing style comps. .685″-40 thread is used to fit compensators to threaded Bull and Hybrid barrels. Mfg: Brownells SPECS: High speed steel.






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