Hey guys, just put together some load comparison data for my .25-284. This represents the extremes of bullet weight, velocity, and BC, comparing a fast 110 ELDX vs. a slower 134 ELDM.
The MV of the 110 is an estimate only based on Hornady load data (3200 MV in 24" 25-06 @52.1 gr SB 6.5 vs. 22" 25-284 @51 gr SB 6.5) while the 134 is actual MV from my rifle. Apologies, for the estimate, my Magneto is a POS. Although I don't have MV for the 110, I did shoot a 1.25 MOA 10 shot group with it yesterday, so the accuracy justifies considering it.
Based on this data, excluding ft. lbs of energy, which load would you choose and why? I'm not looking for an argument, just folks' feedback based on the data. I underlined the values at 700 yards, as this is the point where the higher BC of the 134 nullifies the velocity advantage of the 110.
NOTE: this assumes a guy has a range finder and knows his dope at range.
The MV of the 110 is an estimate only based on Hornady load data (3200 MV in 24" 25-06 @52.1 gr SB 6.5 vs. 22" 25-284 @51 gr SB 6.5) while the 134 is actual MV from my rifle. Apologies, for the estimate, my Magneto is a POS. Although I don't have MV for the 110, I did shoot a 1.25 MOA 10 shot group with it yesterday, so the accuracy justifies considering it.
Based on this data, excluding ft. lbs of energy, which load would you choose and why? I'm not looking for an argument, just folks' feedback based on the data. I underlined the values at 700 yards, as this is the point where the higher BC of the 134 nullifies the velocity advantage of the 110.
NOTE: this assumes a guy has a range finder and knows his dope at range.
| .25-284 comparison data | ||||||||||
| Muzzle | 3150 FPS | 2820 FPS | ||||||||
| Range | 110 Velocity | 134 Velocity | 110 Energy | 134 Energy | 110 Elevation | 134 Elevation | 110 Windage | 134 Windage | 110 TOF | 134 TOF |
| (fps) | (fps) | (ft-lbs) | (ft-lbs) | (mils) | (mils) | (mils) | (mils) | (s) | (s) | |
100 | 2973 | 2701 | 2159 | 2172 | 0 | 0 | 0.15 | 0.12 | 0.1 | 0.11 |
150 | 2887 | 2643 | 2036 | 2079 | -0.13 | -0.19 | 0.22 | 0.18 | 0.15 | 0.16 |
200 | 2803 | 2586 | 1919 | 1990 | -0.34 | -0.45 | 0.3 | 0.24 | 0.2 | 0.22 |
250 | 2720 | 2529 | 1808 | 1904 | -0.59 | -0.76 | 0.37 | 0.3 | 0.26 | 0.28 |
300 | 2639 | 2473 | 1702 | 1820 | -0.86 | -1.08 | 0.45 | 0.36 | 0.31 | 0.34 |
350 | 2560 | 2418 | 1601 | 1740 | -1.16 | -1.43 | 0.53 | 0.43 | 0.37 | 0.4 |
400 | 2482 | 2364 | 1505 | 1662 | -1.47 | -1.79 | 0.61 | 0.49 | 0.43 | 0.46 |
450 | 2405 | 2310 | 1413 | 1588 | -1.8 | -2.17 | 0.69 | 0.56 | 0.49 | 0.53 |
500 | 2330 | 2257 | 1326 | 1516 | -2.15 | -2.57 | 0.78 | 0.63 | 0.55 | 0.59 |
550 | 2256 | 2204 | 1244 | 1446 | -2.52 | -2.97 | 0.87 | 0.7 | 0.62 | 0.66 |
600 | 2184 | 2153 | 1165 | 1379 | -2.9 | -3.4 | 0.96 | 0.77 | 0.69 | 0.73 |
650 | 2113 | 2102 | 1090 | 1315 | -3.3 | -3.83 | 1.05 | 0.84 | 0.76 | 0.8 |
700 | 2043 | 2051 | 1019 | 1252 | -3.72 | -4.29 | 1.15 | 0.91 | 0.83 | 0.87 |
750 | 1974 | 2002 | 952 | 1193 | -4.17 | -4.76 | 1.25 | 0.99 | 0.9 | 0.94 |
800 | 1907 | 1953 | 889 | 1135 | -4.63 | -5.24 | 1.36 | 1.07 | 0.98 | 1.02 |
850 | 1842 | 1905 | 829 | 1080 | -5.12 | -5.74 | 1.46 | 1.15 | 1.06 | 1.1 |
900 | 1778 | 1858 | 772 | 1027 | -5.63 | -6.26 | 1.58 | 1.23 | 1.14 | 1.18 |
950 | 1715 | 1811 | 719 | 976 | -6.17 | -6.8 | 1.69 | 1.31 | 1.23 | 1.26 |
1000 | 1655 | 1766 | 669 | 928 | -6.74 | -7.36 | 1.81 | 1.4 | 1.32 | 1.34 |