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Ballistics

Ballistic Advantage

We often state that "nothing shoots flatter, hits harder or is more accurate" than a Weatherby. A key component in that claim is the ballistic performance of Weatherby Magnum ammunition. You can use the links below to compare the ballistic information between two different Weatherby calibers, or use the Ballistic PDF to review all Weatherby calibers and bullet weights.

Compare Calibers

Ballistics Specs PDF

Trajectory Comparison

.270 Wby.
Bullet B/C Path of Bullet
(Above or below line-of-sight of rifle scopes mounted 1.5" above bore)
Wt. Grains Bullet Type 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
130 Spitzer .359 3.10 3.90 0.00 -9.50 -25.90
130 Barnes TSX .466 2.60 3.30 0.00 -7.90 -21.00
130 Partition .416 2.80 3.50 0.00 -8.30 -22.40
140 Accubond .496 2.76 3.43 0.00 -8.10 -21.58
140 BST .456 2.90 3.60 0.00 -8.40 -22.60
150 SP .462 3.00 3.70 0.00 -8.70 -23.30
150 Partition .465 3.00 3.70 0.00 -8.70 -23.20
110 Barnes TTSX .377 2.43 3.17 0.00 -7.84 -21.27
.257 Wby.
Bullet B/C Path of Bullet
(Above or below line-of-sight of rifle scopes mounted 1.5" above bore)
Wt. Grains Bullet Type 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
80 Barnes TTSX .378 1.85 2.55 0.00 -6.41 -17.42
87 SP .322 2.10 2.80 0.00 -7.10 -19.50
100 Spitzer .256 3.00 3.90 0.00 -10.10 -28.50
100 SP .357 2.40 3.10 0.00 -7.70 -21.00
100 Barnes TSX .420 2.90 3.70 0.00 -8.80 -23.70
110 Accubond .418 2.70 3.26 0.00 -7.90 -21.20
115 BST .453 3.00 3.50 0.00 -7.90 -21.50
120 Partition .391 3.00 3.70 0.00 -8.90 -24.30
117 Rn-Ex .243 3.40 4.30 0.00 -11.10 -31.90

Energy Comparison

.270 Wby.
Bullet B/C Energy (Foot-Pounds)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
130 Spitzer .359 3106 2599 2163 1789 1468 1193
130 Barnes TSX .466 3338 2912 2536 2201 1903 1638
130 Partition .416 3288 2822 2415 2058 1744 1470
140 Accubond .496 3427 3014 2644 2313 2016 1751
140 BST .456 3385 2943 2551 2204 1896 1622
150 SP .462 3507 3053 2650 2292 1973 1690
150 Partition .465 3507 3055 2655 2298 1981 1699
110 Barnes TTSX .377 3062 2586 2178 1825 1521 1258
.257 Wby.
Bullet B/C Energy (Foot-Pounds)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
80 Barnes TTSX .378 2661 2253 1904 1605 1346 1123
87 SP .322 2826 2328 1913 1563 1269 1019
100 Spitzer .256 2721 2122 1641 1253 940 693
100 SP .357 2881 2416 2019 1680 1388 1138
100 Barnes TSX .420 2731 2352 2019 1725 1496 1239
110 Accubond .418 2925 2513 2154 1839 1563 1320
115 BST .453 2952 2566 2226 1924 1656 1419
120 Partition .391 2910 2472 2091 1760 1471 1221
117 Rn-Ex .243 3007 2320 1742 1302 956 690

Velocity Comparison

.270 Wby.
Bullet B/C Velocity (Feet per Second)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
130 Spitzer .359 3280 3000 2737 2489 2254 2032
130 Barnes TSX .466 3400 3176 2963 2761 2567 2382
130 Partition .416 3375 3127 2892 2670 2458 2256
140 Accubond .496 3320 3113 2916 2727 2547 2373
140 BST .456 3300 3077 2865 2663 2470 2285
150 SP .462 3245 3028 2821 2623 2434 2253
150 Partition .465 3245 3029 2823 2627 2439 2259
110 Barnes TTSX .377 3540 3253 2985 2733 2495 2269
.257 Wby.
Bullet B/C Velocity (Feet per Second)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
80 Barnes TTSX .378 3870 3561 3274 3005 2753 2514
87 SP .322 3825 3472 3147 2845 2563 2297
100 Spitzer .256 3500 3091 2718 2375 2057 1766
100 SP .357 3602 3298 3016 2750 2500 2264
100 Barnes TSX .420 3570 3312 3079 2840 2396 2203
110 Accubond .418 3460 3207 2969 2744 2529 2325
115 BST .453 3400 3170 2952 2745 2547 2357
120 Partition .391 3305 3046 2801 2570 2350 2141
117 Rn-Ex .243 3402 2984 2595 2240 1921 1639

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