Quote:
Originally Posted by Andrew Sacco
Total newbie stupid question: Are 209 primers interchangeable (other than Cheddites which I know are sized different....). I know some manuals say "DO NOT INTERCHANGE PRIMERS OR YOUR HOO HOO WILL FALL OFF...." But if I'm shooting lead bullets in my 9mm they don't care if they're CCI, Winch or Federal, they go bang and shoot the same. I have 5,000 Cheddites and now 5,000 Rio's on the way (no shot or powder, but hey!!!)
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Andy:
You can go to my local trap club any Tuesday and sit at the round table of knowledge and I can promise you there will be at least a dozen rocket scientist that will tell you any primer will work in any load. My approach is if it is not in the loading manual or has not been tested I am not touching it. I think it was one of Rosters studies that showed an increase of almost 2,000 psi could be achieved by a simple primer interchange. I think it was Roster, others will correct me if I am in error on that.
If your question of interchanging primers was geared more towards size then see the attached chart. Looks to me like once you use a RIO you have eliminated several of the others based upon the diameters.
03-17-2021, 02:49 PM
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