I must be doing something wrong. My first test run of .260 reloads (AR2209, new Lap cases, 139 Lap Scenar seated to clear AI mag, CCI BR 200 primers) in a customised Rem 700. Started at 39.5gn in 015 grain jumps: 41gn was kicking harder than the factory ammo I put through it in Az & was cratering around firing pin. Chamber a little tight?
Beats me (in this set up at least) how you would go to 43gn AR2209.
Cheers,
Linz
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