Conley Precision Cartridge
  

257 Weatherby Magnum  Ballistic Tables
Bullet Type & Weight

     Muzzle       Velocity / Energy

100 Yards

200 Yards

 300 Yards 400 Yards 500 Yards
75 Gr. HP

3900 / 2533

 +0.70 / 3466 / 2000 0 / 3060 / 1559 -4.44 / 2682 / 1197 -13.76 / 2333 / 906   -29.48 / 2017 / 678   
85 Gr. Nosler Ballistic Tip

3800 / 2725

+0.70 / 3466 / 2266

0 / 3148 / 1870

-4.23 / 2847 / 1530

-12.75 / 2563 / 1239

 -26.60 / 2298 / 996    
90 Gr. Barnes X 3780 / 2855 +0.71 / 3458 / 2389 0 / 3152 / 1985 -4.23 / 2861 / 1635 -12.70 / 2585 / 1336  -26.42 / 2328 / 1083
87 Gr. SP 3700 / 2644 +0.79 / 3362 / 2183 0 / 3041 / 1786 -4.57 / 2738 / 1448 -13.81 / 2453 / 1162 -28.82 / 2189 / 926   
100 Gr. SP 3600 / 2877 +0.85 / 3299 / 2416 0 / 3012 / 2014 -4.71 / 2739 / 1665 -14.06 / 2481 / 1367 -29.06 / 2240 / 1114
100 Gr. Barnes X 3525 / 2759 +0.88 / 3271 / 2375 0 / 3027 / 2035 -4.69 / 2794 / 1733 -13.83 / 2571 / 1467 -28.27 / 2360 / 1236
100 Gr. Nosler Ballistic Tip 3525 / 2759 +0.89 / 3254 / 2351 0 / 2995 / 1991 -4.79 / 2747 / 1675 -14.19 / 2512 / 1400 -29.13 / 2290 / 1165
100 Gr. Swift A-Frame 3525 / 2759 +0.96 / 3192 / 2261 0 / 2876 / 1837 -5.18 / 2579 / 1477 -15.61 / 2302 / 1177 -32.60 / 2047 / 931  
115 Gr. Nosler Ballistic Tip 3375 / 2908 +1.01 / 3145 / 2525 0 / 2923 / 2182 -5.08 / 2711 / 1876 -14.90 / 2507 / 1605 -30.28 / 2315 / 1368
120 Gr. SP 3300 / 2901 +1.11 / 3063 / 2500 0 / 2836 / 2143 -5.43 / 2619 / 1827 -15.96 / 2412 / 1550 -32.43 / 2217 / 1310 
120 Gr. Partition 3200 / 2728 +1.26 / 2942 / 2306 0 / 2696 / 1936 -6.07 / 2462 / 1615 -17.87 / 2243 / 1340 -36.58 / 2037 / 1106
120 Gr. Speer Grand Slam 3200 / 2728 +1.33 / 2894 / 2231 0 / 2604 / 1807 -6.49 / 2334 / 1451 -19.35 / 2084 / 1157 -40.29 / 1853 / 915  
120 Gr. Swift A-Frame 3200 / 2728 +1.27 / 2936 / 2296 0 / 2684 / 1919 -6.12 / 2446 / 1594 -18.04 / 2223 / 1316 -37.00 / 2014 / 1081 

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