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.300 Winchester Magnum


7.62x67mmB or .300WM (Winchester Magnum) is a magnum rifle cartridge designed to fit in standard rifle actions. It is a highly popular big game cartridge, Comparible to .338 Lapua Magnum in energy delivered on target, as well as a long range marksmanship round, having taken numerous international 1000m competitions. 

Popular amongst hunters, military and police around the world, the .300WM has killed more living things than smallpox.


Ammunition Type Damage Bullet Velocity (m/s) Barrier Penetration Max Effective Range (Meters)
Mk248 Mod 1 Match 22 955 4.6 1700m
176gr Softpoint 28.1 973 0.5 1550m
150gr Softpoint 25 1000 0.8 1700m
135gr Softpoint 20 1200 1.7 2150m
40gr Velocity Max 10.5 1600 0.22 2500m
220gr SuperMatch 28 876 1.2
AP 19 923 11 1200m
AP-I 15 896 21 1500m
Subsonic 37 301 1 250m

Note: Barrier penetration represents the rounds ability to go through walls and barriers. Armor piercing represents the rounds ability to penetrate body armor plates.

Note: Max effective range assumes 1MOA or better. MOA or worse will lead to greatly reduced effective range.