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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

.375 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
300 Partition .398 1.90 0.00 -8.20 -23.90 -48.70
.378 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
270 SP .380 1.30 0.00 -6.10 -18.10 -37.10
270 Barnes TSX .326 1.30 0.00 -6.20 -17.90 -36.05
300 Rn-Ex .250 1.90 0.00 -9.00 -27.80 -60.00
300 FMJ .275 1.80 0.00 -8.60 -26.10 -55.40

Energy Comparison

.375 Wby.
Bullet B/C Energy (Foot-Pounds)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
300 Partition .398 5224 4408 3696 3076 2541 2084
.378 Wby.
Bullet B/C Energy (Foot-Pounds)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
270 SP .380 6062 5115 4295 3583 2968 2438
270 Barnes TSX .326 5615 4932 4319 3770 3276 2834
300 Rn-Ex .250 5699 4360 3283 2424 1764 1274
300 FMJ .275 5699 4470 3461 2640 1983 1476

Velocity Comparison

.375 Wby.
Bullet B/C Velocity (Feet per Second)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
300 Partition .398 2800 2572 2366 2140 1963 1760
.378 Wby.
Bullet B/C Velocity (Feet per Second)
Wt. Grains Bullet Type Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
270 SP .380 3180 2921 2677 2445 2225 2017
270 Barnes TSX .326 3060 2868 2684 2507 2337 2174
300 Rn-Ex .250 2925 2558 2220 1908 1627 1383
300 FMJ .275 2925 2591 2280 1991 1725 1489

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Ammunition

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Firearm Cases

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