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Re: Loading data needed for 300 UM-150g Bullets
I used 150g combined tech btips with 105g H-1000, RP case, Fed 215, 3.660". Velocity was 3650fps, groups were .3"-.4" at 100 yards, and were 3.5"-4" at 800 yards. It was a superbly accurate bullet out of my 300 RUM. I never did shoot anything with them. Never fed them a steady diet as they are "barrel burners." Just wanted to work up a load with them. Rifle was a rem 700 LSS w/26" factory tube.
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