.300 Norma Magnum

.300 Norma Magnum
Type	Rifle
Place of origin	Sweden
Production history
Designer	Norma
Designed	2012
Specifications
Parent case	.338 Norma Magnum
Case type	Rimless, bottleneck
Bullet diameter	7.83 mm (0.308 in)
Neck diameter	8.68 mm (0.342 in)
Shoulder diameter	14.29 mm (0.563 in)
Base diameter	14.87 mm (0.585 in)
Rim diameter	14.93 mm (0.588 in)
Rim thickness	1.52 mm (0.060 in)
Case length	63.30 mm (2.492 in)
Overall length	93.50 mm (3.681 in)
Rifling twist	229 mm (1 in 9 in)
Primer type	Large rifle magnum
Maximum pressure (CIP)	440.00 MPa (63,817 psi)
Ballistic performance
Bullet weight/type Velocity Energy 220 gr (14 g) MatchKing 3,003 ft/s (915 m/s) 4,404 ft·lbf (5,971 J)
Source(s): Cartridges of the World, 2012

The .300 Norma Magnum is a cartridge that has begun to gain popularity in the long range shooting community. The .300 Norma Magnum is a .338 Norma Magnum case necked down to .308 caliber. This cartridge was named .300 Norma Magnum to differentiate it from the .308 Norma Magnum designed in 1960.

C.I.P. listed this cartridge in 2012 with a max pressure of 4400 bar.

See also

• .338 Norma Magnum