Load data for 7 mm Backcountry + 140gr Sierra HPBT GameKing
i
i
Load Specifications
ImperialMetric
Bullet:.284 | 140gr | HPBT GameKing
Cartridge:7 mm Backcountry load data
Case Length (l3):2.417" | 61.4 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.437" | 11.1 mm
Case Capacity:73 gow | 4.73 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI)::79,916 psi | 5,510 bar
Barrel Length:20.0" | 508 mm
Min. Twist Rate:1:10.0
Get PRO license to unlock all data and calculators