Muzzle brake calibre tolerance

[Claret_Dabbler]

Depends if you’ve got money to waste….

It wouldn’t be wasted if it stopped you firing a 30 calibre bullet through a 6.5mm muzzle brake?

 

[finnbear270]

Just ensure you go up the bit sizes in interference fit till you get what clearance you need, (Keeps your WANG straight!)

 

[JTO]

I think there will be severe bowel movements when you take it back to the retailer.