.300 may refer to: *

.300 AAC Blackout The .300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P. or 300 AAC Blackout'' C.I.P. TDCC sheet 300 ACC Blackout/ref>), also known as 7.62×35mm, is an intermediate cartridge developed in the United Sta ...

, rifle cartridge *

.300 Winchester Magnum The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM) (7.62×67mmB, 7.62x66BR) is a belted, bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963. The .300 Winchester Magnum is a m ...

, rifle cartridge * .300 Remington Ultra Magnum, rifle cartridge *

.300 Winchester Short Magnum 300 Winchester Short Magnum (also known as 300 WSM) is a .30 caliber rebated rim bottlenecked centerfire short magnum cartridge that was introduced in 2001 by Winchester. Specifications The overall cartridge length is 72.6 mm. The cartr ...

, rifle cartridge *

.300 Whisper The .300 Whisper is a CIP standard cartridge in the Whisper family, a group of cartridges developed in the early 1990s by J.D. Jones of SSK Industries. It was developed as a multi-purpose cartridge, capable of utilizing relatively lightweight ...

, subsonic rifle cartridge * .300 Lapua Magnum, rifle cartridge *

.300 Savage The .300 Savage cartridge is a rimless, .30 caliber rifle A rifle is a long-barreled firearm designed for accurate shooting, with a barrel that has a helical pattern of grooves ( rifling) cut into the bore wall. In keeping with their fo ...

, rifle cartridge *

.300 Weatherby Magnum The .300 Weatherby Magnum is a .30 caliber rifle cartridge created by Roy Weatherby in 1944 and produced by Weatherby. It has become the most popular of all the Weatherby cartridges. Background Roy Weatherby already had experience with oth ...

, rifle cartridge *

.300 Norma Magnum The .300 Norma Magnum, also known as .300 NM or "300 Norma" for short, is a centerfire magnum rifle cartridge developed by Swedish ammunition manufacturer Norma Precision. The .300 Norma Magnum uses a .338 Norma Magnum case necked down to the ...

, rifle cartridge * .300 H&H Magnum, rifle cartridge * .300 Remington Short Action Ultra Magnum, rifle cartridge * .300 Rook, obsolete rifle cartridge * .300 Sherwood, obsolete rifle cartridge *

.300 Ruger Compact Magnum The .300 Ruger Compact Magnum or .300 RCM is a rimless, short-length rifle cartridge designed for the hunting of Medium-to-Large-sized North American game. It is designed to closely duplicate the performance of the historic .300 Winchester Magnu ...

, rifle cartridge * .300, a significant

batting average Batting average is a statistic in cricket, baseball, and softball that measures the performance of batters. The development of the baseball statistic was influenced by the cricket statistic. Cricket In cricket, a player's batting average is ...

in baseball

See also