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Long Range Hunting & Shooting
New 300 WM —How to find “THE”bullet
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<blockquote data-quote="Don Titus" data-source="post: 1622625" data-attributes="member: 61851"><p>I just finished working up a load for the same purpose, although there is no way I will be shooting beyond 350-400 yards, wouldn't even try. Anyway, I selected the 181 gr. Hammer Hunter after doing a ladder comparison with the 180 gr. Barnes TSX. Both shot great, but in my rifle at least (tricked out Remington 700) the edge went to the Hammer. I started with 70 grains of H4831sc and Federal 215's with COL at magazine length (3.685") which for my rifle is .0050" off the lands for the Barnes and .0040" for the Hammer. Shot groups for both bullets were consistently under 1" @ 100. I hit a node for the Hammer at 74.3gr. w/o pressure signs; groups are averaging .35", with velocity a bit lower than I'd prefer @ 2850.</p><p>I just loaded a few more rounds at 74.5 and 74.7, so will see if I can reach 2900 w/o adversely affecting accuracy and w/0 pressure signs.</p><p></p><p>Results: 74.5gr. = avg. FPS 2799 /.245 m.o.a.; 74.7gr. = avg. FPS 2816 /.410 m.o.a. with no pressure signs ...I can't figure out why I can't reach or get close to 2900 with a 26" barrel; maybe the fact that the throat shows .047" erosion limits things a bit. At this point I'm hesitant to nudge the load up a bit more. I've been told that IMR 7828 would give me another 50-100 FPS, but I don't want to hunt in CO in November with a temp sensitive powder. I think I'll "leave well enough alone".</p></blockquote><p></p>
[QUOTE="Don Titus, post: 1622625, member: 61851"] I just finished working up a load for the same purpose, although there is no way I will be shooting beyond 350-400 yards, wouldn’t even try. Anyway, I selected the 181 gr. Hammer Hunter after doing a ladder comparison with the 180 gr. Barnes TSX. Both shot great, but in my rifle at least (tricked out Remington 700) the edge went to the Hammer. I started with 70 grains of H4831sc and Federal 215’s with COL at magazine length (3.685”) which for my rifle is .0050” off the lands for the Barnes and .0040” for the Hammer. Shot groups for both bullets were consistently under 1” @ 100. I hit a node for the Hammer at 74.3gr. w/o pressure signs; groups are averaging .35”, with velocity a bit lower than I’d prefer @ 2850. I just loaded a few more rounds at 74.5 and 74.7, so will see if I can reach 2900 w/o adversely affecting accuracy and w/0 pressure signs. Results: 74.5gr. = avg. FPS 2799 /.245 m.o.a.; 74.7gr. = avg. FPS 2816 /.410 m.o.a. with no pressure signs ...I can’t figure out why I can’t reach or get close to 2900 with a 26” barrel; maybe the fact that the throat shows .047” erosion limits things a bit. At this point I’m hesitant to nudge the load up a bit more. I’ve been told that IMR 7828 would give me another 50-100 FPS, but I don’t want to hunt in CO in November with a temp sensitive powder. I think I’ll “leave well enough alone”. [/QUOTE]
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New 300 WM —How to find “THE”bullet
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