.300 Winchester Magnum
.300 Win Mag · .300 WM · 7,62×67 mm
The 1963 belted magnum cartridge with high muzzle velocity and a flat trajectory. Used for long-range hunting and big game.
The .300 Winchester Magnum was developed by Winchester and introduced in 1963. The case derives from the .375 H&H Magnum; the belt locates the cartridge in the chamber.
Bullets of 180–200 grain (11.7–13 g) leave the muzzle at about 900–950 m/s; recoil is heavy.
Hunting use
Used on red deer, fallow deer, wild boar and mouflon, especially at long range and in mountain country. Too powerful for roe deer. Typical bullet weights are 180–200 grain (11.7–13 g).
Suitable game

Big game
Fallow deer
Dama dama
A medium-sized, spotted deer, easily recognised by the buck's palmate antlers.

Big game
Mouflon
Ovis gmelini musimon
A wild sheep introduced to Central Europe from Corsica and Sardinia; the ram's curled horns are a distinctive trophy.

Big game
Red deer
Cervus elaphus
One of Europe's largest deer; the stag's antlers are among the most prized hunting trophies.

Big game
Wild boar
Sus scrofa
A strong, adaptable omnivore; the boar's tusks are a valued trophy, and population control is a key game management task.
Factory loads
Firearms in .300 Winchester Magnum
Break-action single rifle
Blaser K95
.222 Remington, .243 Winchester, 6,5×55 SE, 6.5 Creedmoor, .270 Winchester, .308 Winchester, .30-06 Springfield, 7×65 R, 8×57 IRS, 9,3×74 R, .300 Winchester Magnum
Blaser single-shot break-action rifle with interchangeable barrels.
Straight pull
Blaser R8
.222 Remington, .223 Remington, .243 Winchester, 6,5×55 SE, 6.5 Creedmoor, 7×64, .270 Winchester, .308 Winchester, .30-06 Springfield, 8×57 IS, 9,3×62, .300 Winchester Magnum
Blaser straight-pull hunting rifle with interchangeable barrels.
Bolt action
Mauser M18
.223 Remington, .243 Winchester, 6,5×55 SE, 6.5 Creedmoor, .270 Winchester, .308 Winchester, .30-06 Springfield, 8×57 IS, 9,3×62, .300 Winchester Magnum
Mauser's affordable bolt-action hunting rifle with a three-lug bolt.
Straight pull
Merkel Helix Speedster
.222 Remington, .223 Remington, .243 Winchester, .270 Winchester, 6,5×55 SE, 7×64, .308 Winchester, .30-06 Springfield, 8×57 IS, 9,3×62, .300 Winchester Magnum
Merkel straight-pull repeater with a 1:2 bolt-travel ratio and interchangeable barrels.
Bolt action
Sauer 100 Classic XT
.223 Remington, .243 Winchester, 6,5×55 SE, 6.5 Creedmoor, .270 Winchester, .308 Winchester, .30-06 Springfield, 8×57 IS, 9,3×62, .300 Winchester Magnum
Sauer's non-modular, more affordable bolt-action (2016); the Classic XT variant is listed.
Bolt action
Sauer 404
.222 Remington, .223 Remington, .243 Winchester, 6,5×55 SE, 6.5 Creedmoor, .270 Winchester, .308 Winchester, .30-06 Springfield, 7×64, 8×57 IS, 9,3×62, .300 Winchester Magnum
Sauer's modular bolt-action hunting rifle, successor to the Sauer 202 (2015).
Bolt action
Tikka T3x Hunter
.222 Remington, .223 Remington, .243 Winchester, 6,5×55 SE, 6.5 Creedmoor, .270 Winchester, .308 Winchester, .30-06 Springfield, 8×57 IS, 9,3×62, .300 Winchester Magnum
Finnish bolt-action hunting rifle offered in 18 calibres and 510–620 mm barrels.
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