Quote:
Originally posted by GSS:
2.244" seems short, as every AR I have loaded for easily accepts the mag length cartridges of 2.26", w/o it being at the rifling. My bolt guns run even longer OAL's (though my data is not in front of me).
And a "typical" recommendation is to be 0.010 (ten-thousandths) off the rifling, as a starting point....though nothing is sacred as to what's best.
Maybe measure a "standard" of some sort (bullet diameter, case of known length, etc), with your calipers...just to verify their accuracy ???
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I second. 2.244" sounds way too short. I don't own a 700 , but if that chamber were 2.244", there is a lot of even factory ammo, you couldn't even chamber.