Floundertrap
Well-Known Member
Hello All,
I've read everything I can on load data for a heavy .270 WSM, including a lot of good data in this post: https://www.longrangehunting.com/threads/270-wsm-170-gr-eol-berger-load-development.187171/ . BUT I can't get my hands on Retumbo at the moment and I was able to find some RL33 that looks promising in the table below. I can't see where anyone has used RL 33. If anyone has, would you share your data? I built 270 WSM on a Browning ABII (Long Action Magnum) with a 28" Brux 1:8 twist. Any help is appreciated.
TK
I've read everything I can on load data for a heavy .270 WSM, including a lot of good data in this post: https://www.longrangehunting.com/threads/270-wsm-170-gr-eol-berger-load-development.187171/ . BUT I can't get my hands on Retumbo at the moment and I was able to find some RL33 that looks promising in the table below. I can't see where anyone has used RL 33. If anyone has, would you share your data? I built 270 WSM on a Browning ABII (Long Action Magnum) with a 28" Brux 1:8 twist. Any help is appreciated.
TK
.270 Winchester Short Magnum | ||||||
170 Grain, PN: 27575 Bullet, 2.944" COAL, 24" Barrel. 2/4/2016 RB | ||||||
Bullet | Powder | Start Load In Grains | Approx. Start Velocity | Max. Load In Grains | Approx. Max. Velocity | Approx. Fill Ratio |
170 Grain | Accurate Magpro | 62.0 | 2749 | 65.2 | 2895 | 94% |
170 Grain | Alliant RE-19 | 56.5 | 2707 | 59.4 | 2831 | 91% |
170 Grain | Alliant RE-22 | 59.0 | 2744 | 61.9 | 2871 | 94% |
170 Grain | Alliant RE-23 | 58.0 | 2695 | 61.1 | 2817 | 96% |
170 Grain | Alliant RE-25 | 61.0 | 2750 | 64.3 | 2886 | 100% |
170 Grain | Alliant RE-26 | 60.5 | 2767 | 63.6 | 2899 | 91% |
170 Grain | Alliant RE-33 | 70.0 | 2769 | 73.9 | 2959 | 103% |
170 Grain | Hodgdon H4831SC | 58.0 | 2684 | 61.0 | 2817 | 93% |
170 Grain | Hodgdon H1000 | 63.0 | 2730 | 66.3 | 2881 | 103% |
170 Grain | Hodgdon Retumbo | 66.0 | 2780 | 69.5 | 2932 | 106% |
170 Grain | IMR 4831 | 54.0 | 2668 | 56.6 | 2772 | 91% |
170 Grain | IMR 7828 SSC | 59.0 | 2749 | 62.0 | 2887 | 93% |
170 Grain | Norma MRP | 59.5 | 2760 | 62.5 | 2891 | 92% |
170 Grain | Ramshot Magnum | 63.5 | 2708 | 66.8 | 2854 | 94% |
170 Grain | VihtaVuori N160 | 57.5 | 2657 | 60.4 | 2779 | 97% |
170 Grain | VihtaVuori N560 | 59.5 | 2767 | 62.4 | 2899 | 94% |
170 Grain | VihtaVuori N165 | 59.0 | 2655 | 62.1 | 2783 | 97% |
170 Grain | VihtaVuori N170 | 64.5 | 2655 | 68.1 | 2817 | 106% |
170 Grain | VihtaVuori N570 | 67.0 | 2796 | 70.5 | 2967 | 103% |