Load data for 7 mm PRC + 175gr Speer Grand Slam
475 suitable loads across 75 powder(s) for cartridge 7 mm PRC with 175gr Speer Grand Slam bullet.
The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Winchester StaBALL HD.
Based on SAAMI, the max. allowed case length is 2.280 in / 57.91 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Based on SAAMI, the max. allowed case length is 2.280 in / 57.91 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Load Specifications
ImperialMetric
Bullet:.284 | 175gr | Grand Slam
Cartridge:7 mm PRC load data
Case Length (L3):2.280" | 57.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.284" | 7.2 mm
Case Capacity:82 gow | 5.31 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.0
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