Author Topic: What should the thru hole size be for a .22 muzzle brake?  (Read 1043 times)

Offline jberenyi

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What should the thru hole size be for a .22 muzzle brake?
« on: February 25, 2010, 08:06:36 AM »


Anyone know rule of thumb OD bore size for a .22 caliber? Is it .281?

\"The only tuner I trust is me\"

TX200HC .22 (Tuned by JB)
B26 .22
RWS 350 Feuerkraft Pro Compact .22 (Tuned by JB)
Discovery .22
Walther CP88 Competition .177
Crosman CP11


Offline SDale

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RE: What should the thru hole size be for a .22 muzzle brake?
« Reply #1 on: February 25, 2010, 03:14:25 PM »
I usually just use a 1/4" drill bit then crown the exit. I've tried smaller, but it created some pretty big changes in POI compared to a plain muzzle. The 1/4" hole also changed POI, but not as drasticly.

Offline jberenyi

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RE: What should the thru hole size be for a .22 muzzle brake?
« Reply #2 on: February 26, 2010, 11:21:00 PM »
Screw it. I'm going with .291. If my Air Arms TX200HC's exit plug is .291 I trust they know what they are doing. Off to the lathe.
\"The only tuner I trust is me\"

TX200HC .22 (Tuned by JB)
B26 .22
RWS 350 Feuerkraft Pro Compact .22 (Tuned by JB)
Discovery .22
Walther CP88 Competition .177
Crosman CP11