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.376 Steyr
Type Rifle / Hunting
Place of origin Austria / USA
Production history
Designer Steyr / Hornady
Designed 1999
Manufacturer Steyr
Parent case 9.3 x 64 Brenneke
Case type Rebated, bottleneck
Bullet diameter .375 in (Bad rounding hereScript error mm)
Neck diameter .3980 in (Bad rounding hereScript error mm)
Shoulder diameter .4732 in (Bad rounding hereScript error mm)
Base diameter .5010 in (Bad rounding hereScript error mm)
Rim diameter .4940 in (Bad rounding hereScript error mm)
Rim thickness .0500 in (Bad rounding hereScript error mm)
Case length 2.3500 in (Bad rounding hereScript error mm)
Primer type Large rifle
Ballistic performance
Bullet weight/type Velocity Energy
210 gr (Bad rounding hereScript error g) XFB3,011 ft/s (Bad rounding hereScript error m/s)4,229 ft·lbf (Bad rounding hereScript error J)
225 gr (Bad rounding hereScript error g) SP2,910 ft/s (Bad rounding hereScript error m/s)4,232 ft·lbf (Bad rounding hereScript error J)
250 gr (Bad rounding hereScript error g) SP2,754 ft/s (Bad rounding hereScript error m/s)4,211 ft·lbf (Bad rounding hereScript error J)
270 gr (Bad rounding hereScript error g) SP2,610 ft/s (Bad rounding hereScript error m/s)4,085 ft·lbf (Bad rounding hereScript error J)
300 gr (Bad rounding hereScript error g) SP2,388 ft/s (Bad rounding hereScript error m/s)3,800 ft·lbf (Bad rounding hereScript error J)
Source(s): Hodgdon [1]

The .376 Steyr cartridge is a rifle cartridge jointly developed by Hornady and Steyr for use in the Steyr Scout rifle.

Introduced in 1999, it is based on the 9.3 x 64 Brenneke case, necked up to accept a 0.375-inch (Bad rounding hereScript error mm) diameter bullet. The case is also shortened by about 4 mm to fit a standard length rifle action.

It was developed as an evolution of Jeff Cooper's "Super Scout" medium rifle concept, which was in turn an extension of his original scout rifle concept. Cooper used a version of Steyr's Scout rifle chambered in .350 Remington Magnum to hunt large and dangerous game, originally calling it a "Super Scout". After taking a lion at close range with the weapon, he switched to calling that rifle his "Lion Scout".

An additional motivation for development of the new cartridge was that authorities in certain areas of the world dictate a minimum caliber of round which may be used in hunting dangerous game such as cape buffalo and lion. In general the minimum is either .366 or .375 caliber, so to make the cartridge accepted in almost all African countries, the newly designed cartridge uses a 375 caliber bore.

When Steyr initially discussed the new round with Cooper, they intended to call it the .375 Steyr. Cooper said they should instead call it a .376, to avoid confusion with the .375 H&H Magnum.

Cooper subsequently referred to the Scout Rifle in .376 Steyr caliber as the "Dragoon" or "Dragoon Scout," this marking being on the one that Steyr sent him. This designation has been dropped, and is not on production units.

With a higher felt recoil, the .376 Steyr is the largest practical cartridge for use in such a short, lightweight weapon as the Scout.

Steyr Mannlicher has also produced a conventional-style rifle to use this cartridge, dubbed the "Pro Hunter."

See alsoEdit

References Edit

  1. .376 Steyr data from Hodgdon

External linksEdit

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