270win testing

[daveclark1977]

Ok guys questions. This is my first try at load development loading 270win using 130gr btsp and hybrid100 powder with cci primers. All cases have been trimmed to same length primer pocket uniformed. I have test rounds loaded up 4 rounds per charge from 49gr to 52gr. These will be white tail deer rounds. My questions are do i fire a factory round for a fouling round then move to load tests or do i cold bore every shot with my loads or some combination of both ? I don't have a crono so testing is simply for grouping. Any advice on the testing process is much appreciated

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[Bdcrump]

For hunting rounds I'd cold bore shoot it. How many times are you gonna hit the woods with a warm barrel? I've never used the powder you're using. Mine likes imr4064 and any 130 grain bullet,not sure of the exact load right off tho I'd have to look.

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