7 mm Remington Magnum

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7 mm Remington Magnum
Type Rifle
Place of origin United States
Production history
Manufacturer Remington Arms Company
Produced 1962
Specifications
Parent case .375 H&H Magnum
Bullet diameter .284 in (7.21 mm)
Neck diameter .315 in (8 mm)
Shoulder diameter .491 in (12.47 mm)
Base diameter .512 in (13 mm)
Rim diameter .532 in (13.51 mm)
Case length 2.5 in (63.5 mm)
Overall length 3.29 in (83.57 mm)
Primer type Large rifle magnum
Ballistic performance
Bullet weight/type Velocity Energy
140 gr Soft Point 3175 ft/s
(~968 m/s)
3133 ft·lbf
(~4261 J)
150 gr AccuTip BT 3110 ft/s
(~948 m/s)
3221 ft·lbf
(~4381 J)
160 gr Soft Point 2900 ft/s
(~884 m/s)
2987 ft·lbf
(~4062 J)
175 gr Soft Point 2860 ft/s
(~872 m/s)
3178 ft·lbf
(~4322 J)
Source: Remington Arms Co. ballistics charts

The 7 mm Remington Magnum rifle cartridge was introduced as a commercially available round in 1962, along with the new Remington Model 700 bolt action rifle. It is a member of the belted magnum family, almost all based on rearranging the case configuration of the venerable .375 H&H Magnum. (Notable exceptions are the Weatherby family of belted magnums, whose double shoulders cannot be replicated.)

The 7 mm Remington Magnum offers ballistics considerably superior to the .30-06 Springfield with all equivalent bullet weights, the most popular load being a 160 grain spitzer loaded to ~3000 ft/s. This cartridge is capable of taking any game in North America, although one may do well to select a larger caliber for big bears.

On its introduction, the 7mm Rem. Mag. substantially usurped the market share held by the .264 Winchester Magnum, which went into sharp decline in popularity and sales after 1962.


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