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| |rim_thick=0.050 | |rim_thick=0.050 | ||
| |case_length=2.035 | |case_length=2.035 | ||
| | case_capacity = |
| case_capacity = 72.6 | ||
| |length= | |length=2.825 | ||
| |rifling= | |rifling= | ||
| |primer=Large rifle magnum | |primer=Large rifle magnum | ||
| | max_pressure = 65000 | |||
| <!-- Ballistic performance --> | <!-- Ballistic performance --> | ||
| |is_SI_ballistics= | |is_SI_ballistics= | ||
Revision as of 20:20, 29 July 2017
 | This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources in this article. Unsourced material may be challenged and removed. Find sources: "7mm Remington Short Action Ultra Magnum" – news · newspapers · books · scholar · JSTOR (March 2012) (Learn how and when to remove this message) |
| 7mm Remington Short Action Ultra Magnum (SAUM) | |
|---|---|
| Type | Rifle |
| Place of origin |  United States |
| Production history | |
| Designer | Remington Arms Company |
| Designed | 2002 |
| Manufacturer | Remington |
| Produced | 2002–Present |
| Specifications | |
| Bullet diameter | .284 in (7.2 mm) |
| Neck diameter | .320 in (8.1 mm) |
| Shoulder diameter | .5347 in (13.58 mm) |
| Base diameter | .5357 in (13.61 mm) |
| Rim diameter | .534 in (13.6 mm) |
| Rim thickness | 0.050 in (1.3 mm) |
| Case length | 2.035 in (51.7 mm) |
| Overall length | 2.825 in (71.8 mm) |
| Case capacity | 72.6 gr H2O (4.70 cm) |
| Primer type | Large rifle magnum |
| Maximum pressure | 65,000 psi (450 MPa) |
Remington introduced the 7mm Short Action Ultra Magnum (SAUM) cartridge in 2002 to compete with the 7mm Winchester Short Magnum cartridge. It was designed specifically for the Remington Model Seven Magnum rifle, and intended primarily for long-range hunting use. The difference in velocity between the 7mm SAUM cartridge and the 7mm Winchester Short Magnum (WSM) is less than 50 feet per second; they are almost ballistic twins. Both the 7mm SAUM and the 7mm WSM achieve optimal ballistic results when using bullet weights from 120 to 160 grains.
More recently, the 7mm SAUM has suffered from decreased popularity, resulting in fewer manufacturers chambering rifles in this caliber. Low demand for factory ammunition in 7mm SAUM has resulted in a sharp increase in the cost of 7mm SAUM as of mid 2014.
See also
References
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