The 30 degree shoulder comes from the 6BR reamer used to cut the chamber, run in an additional .580 or so. So basically this is a 6br x 55mm.
The 30 degree shoulder comes from the 6BR reamer used to cut the chamber, run in an additional .580 or so. So basically this is a 6br x 55mm.
Originally Posted by keeki
Guess it doesn't really matter. If ya cant afford $15, you won't be buying much anyways
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