View Full Version : gas check
cptjack
11-03-2015, 10:00 AM
slugged my 03 to .310 recommend to cast .312 ,,,,,,,,can a 30 cal gas check be used ? Thanks CJ
44man
11-03-2015, 04:44 PM
slugged my 03 to .310 recommend to cast .312 ,,,,,,,,can a 30 cal gas check be used ? Thanks CJ
Yes, they run about .318" before sizing.
runfiverun
11-03-2015, 06:52 PM
the 30 cal checks work on both the 30 and the 31 cal boolits.
it's shank size on the boolit that determines whether it will fit or not, not the ultimate diameter of the boolit itself.
sometimes you may need to anneal the check or open the diameter a little to make things fit more square and stay that way when sizing.
cptjack
11-03-2015, 07:17 PM
the 30 cal checks work on both the 30 and the 31 cal boolits.
it's shank size on the boolit that determines whether it will fit or not, not the ultimate diameter of the boolit itself.
sometimes you may need to anneal the check or open the diameter a little to make things fit more square and stay that way when sizing.
thanks good info
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