.30-378 Weatherby Magnum

The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. The cartridge was developed in response to a US Army military contract in 1959. While still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards (910 m) benchrest shooting.

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1959  Wikimedia, Wikidata
rifle cartridge, 

.17 Ackley Bee, .20 VarTarg, .218 Bee, .219 Donaldson Wasp, .22 BR Remington, .22 CHeetah, .22 Remington Automatic, .22 Remington Jet, .22 Spitfire, .221 Remington Fireball, .222 rimmed, .223 Remington, .224 Boz, .240 Weatherby Magnum, .244 H&H Magnum, .246 Purdey, .25 Stevens, .25 Winchester Super Short Magnum, .25-06 Remington, .25-21 Stevens, .256 Newton, .260 Remington, .270 British, .270 Weatherby Magnum, .270 Winchester Short Magnum, .276 Enfield, .276 Pedersen, .280 British, .280 Remington, .30 Newton, .30 RAR, .30 Remington AR, rifle, rifle cartridge, 

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Location: KML, Cluster Map, Maps,

Frameless

.300, .30-378 Weatherby, .223 Remington cases

.300, .30-378 Weatherby case heads

Weatherby .30-06

.30-378 Weatherby Magnum cartridge sketch

Type	Subtype	Date	Description	Notes	Source
commons	image		.300, .30-378 Weatherby, .223 Remington cases		Commons
commons	image		.300, .30-378 Weatherby case heads		Commons
commons	image		Weatherby .30-06		Commons
commons	image		.30-378 Weatherby Magnum cartridge sketch		Commons