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Tikka T3 270 WSM load development
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<blockquote data-quote="Idaho Lefty" data-source="post: 1449672" data-attributes="member: 104437"><p>NO, it was NOT maximum but, I stopped at 65.1 grains of, IMR 7828 with, the 140 AB's at, 3,150 FPS as that, was the best group for me @ 1.2 inches at, 200 Yards ( several groups, shot ). Cratering / sticky bolt lift started after that load was reached ! Temp was 40-45 Degrees and Elev at 3,200 ft. and I have since shot that load at 70 degrees and still, Safe ! Per Berger Data, 66.3 ( 7828) is the Max charge with, THEIR bullet ( 140 Classic Hunter) NOTE that, the AccuBond's have, a LONGER Bearing surface and create TOP pressure, faster than, the Berger's will. You might get higher Velocities with, RL-26 and the 150 Berger but,.. 3,200 ??? Good Luck, work up slowly and be SAFE ! Every Rifle is,.. different.</p></blockquote><p></p>
[QUOTE="Idaho Lefty, post: 1449672, member: 104437"] NO, it was NOT maximum but, I stopped at 65.1 grains of, IMR 7828 with, the 140 AB's at, 3,150 FPS as that, was the best group for me @ 1.2 inches at, 200 Yards ( several groups, shot ). Cratering / sticky bolt lift started after that load was reached ! Temp was 40-45 Degrees and Elev at 3,200 ft. and I have since shot that load at 70 degrees and still, Safe ! Per Berger Data, 66.3 ( 7828) is the Max charge with, THEIR bullet ( 140 Classic Hunter) NOTE that, the AccuBond's have, a LONGER Bearing surface and create TOP pressure, faster than, the Berger's will. You might get higher Velocities with, RL-26 and the 150 Berger but,.. 3,200 ??? Good Luck, work up slowly and be SAFE ! Every Rifle is,.. different. [/QUOTE]
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