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.

7 mm PRC cartridge with combo bulletSeated DepthL3 = 2.280 in / 57.91 mmL6 = 3.340 in / 84.84 mmSeated Depth = .210 in / 5.33 mm

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.

175gr Speer Grand Slam bullet image

Load Specifications

ImperialMetric
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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