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crowning a 22 pistol barrel ( beretta u22 neos )

Someone here did some testing years ago and said the crown angle made little difference if done accurately. Do not know if there are later tested results, I know there will be new theories as of yesterday.
 
You will be fine, nothing magical about the degree.

Especially with that gun. If threading it for a can he probably needs to limit himself to subs if it will shoot them.
Light little blowback pistols have a habit of tearing themselves apart with HV ammo even without the can. With a can on a short barreled blowback pistol the noise out of the ejection port may be louder than at the muzzle.
 
thank you guys.
i have yet to cut anything but i have something in mind.

attached is a pic of the thread protector that i will make 1st..
then i will tread the barrel..
1.jpg
 








 
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