T-Bones
Member
- Joined
- Nov 26, 2013
- Messages
- 21
I slugged my 9mm barrel. And it mikes at .3555". Would .356" bullets be big enough to get a good seal? Would .356" bullets be big enough to get a good bite in the grooves? Or would I need to use .3565" or possibly .357" bullets? I am wanting to use 125 grain rn , and shooting around 1001 fps.
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