.300 Ruger Compact Magnum
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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.
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Quick Facts Type, Place of origin ...
.300 Ruger Compact Magnum | |
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Type | Rifle |
Place of origin | USA |
Production history | |
Designer | Ruger |
Designed | 2007 |
Specifications | |
Parent case | .375 Ruger |
Case type | Rimless, bottleneck |
Bullet diameter | .308 in (7.8 mm) |
Neck diameter | .340 in (8.6 mm) |
Shoulder diameter | .515 in (13.1 mm) |
Base diameter | .532 in (13.5 mm) |
Rim diameter | .532 in (13.5 mm) |
Rim thickness | .050 in (1.3 mm) |
Case length | 2.1 in (53 mm) |
Overall length | 2.825 in (71.8 mm) |
Rifling twist | 1-12" (304.8 mm) |
Primer type | Large rifle |
Maximum pressure (CIP) | 63,817 psi (440.00 MPa) |
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It is designed to closely duplicate the performance of the historic .300 Winchester Magnum cartridge, yet to be chambered in a short length action rifle. The cartridge was designed by Hornady and Sturm Ruger in partnership and released commercially in 2008 and chambered in various Ruger rifles.[1]