Load data for 7 x 57 R + 140gr Sierra HPBT GameKing
366 suitable loads across 71 powder(s) for cartridge 7 x 57 R with 140gr Sierra HPBT GameKing bullet.
The most recommended powders for this combination are Alliant Reloder-16, ReloadSwiss RS 60 and Alliant Reloder-17.
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Load Specifications
ImperialMetric
Bullet:.284 | 140gr | HPBT GameKing
Cartridge:7 x 57 R load data
Case Length (l3):2.244" | 57.0 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.529" | 13.4 mm
Case Capacity:60 gow | 3.89 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.)::49,313 psi | 3,400 bar
Barrel Length:23.6" | 600 mm
Min. Twist Rate:1:10.0
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