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7mm Weatherby Magnum
7mm Weatherby cartridge
Type
Game Cartridge
Place of origin
United States
Production history
Designer
Roy Weatherby
Designed
Circa 1940 (1940)
Specifications
Case type
Belted, Bottleneck
Bullet diameter
.284 in (7.2 mm)
Neck diameter
.312 in (7.9 mm)
Shoulder diameter
.490 in (12.4 mm)
Base diameter
.511 in (13.0 mm)
Rim diameter
.530 in (13.5 mm)
Rim thickness
.048 in (1.2 mm)
Case length
2.55 in (65 mm)
Overall length
3.25 in (83 mm)
Rifling twist
1:10
Primer type
Large Rifle
Maximum pressure
65,000 psi
Ballistic performance
Bullet mass/type
Velocity
Energy
160 gr (10 g) AccuBond
3,050 ft/s (930 m/s)
3,306 ft⋅lbf (4,482 J)
139 gr (9 g) Spire Point
3,240 ft/s (990 m/s)
3,343 ft⋅lbf (4,532 J)
154 gr (10 g) Spire Point
3,123 ft/s (952 m/s)
3,401 ft⋅lbf (4,611 J)
120 gr (8 g) TTSX
3,430 ft/s (1,050 m/s)
3,136 ft⋅lbf (4,252 J)
175 gr (11 g) A-Frame
3,070 ft/s (940 m/s)
3,662 ft⋅lbf (4,965 J)
Test barrel length: 26 Source(s): Midwayusa.com
The 7mm Weatherby Magnum is a powerful 7mm rifle cartridge offered by the Weatherby firearms company in their Mark V rifles. The cartridge was one of the first cartridges offered by the Weatherby company.[1]
^Speer Reloading Manual Rifle & Pistol Number 13
and 13 Related for: 7mm Weatherby Magnum information
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