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OK Ballistics - Thats D.O.P.E. - Oklahoma Gun Forum

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Tales from the Reloading Room

Found jam today with these Berger 205 Elite Hunters. Did a ladder test with Retumbo in ADG brass with a CCI 250. Hoping for 2950 out of this 26" 1:8.

Have my 6 rounds for break in and my one control round.
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I don't. I haven't ever seen a noticable difference on a velocity test between a cold bore and not.

On groups, yes if I'm trying to get a super small one. No if I'm testing real world situation. I want to know how to dope for that cold bore if needed
 
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