Load data for .303 British + 155gr Frontier FBSP
512 suitable loads across 83 powder(s) for cartridge .303 British with 155gr Frontier FBSP bullet.
The most recommended powders for this combination are Winchester 748, IMR 3031 and Hodgdon BL-C2.
Based on C.I.P., the max. allowed case length is 2.222 in / 56.44 mm, the max. cartridge length is 3.075 in / 78.11 mm, and the max. allowed pressure is 52,939 PSI / 3,650 bar.
Based on C.I.P., the max. allowed case length is 2.222 in / 56.44 mm, the max. cartridge length is 3.075 in / 78.11 mm, and the max. allowed pressure is 52,939 PSI / 3,650 bar.
Load Specifications
ImperialMetric
Bullet:.311 | 155gr | Frontier FBSP
Cartridge:.303 British load data
Case Length (L3):2.213" | 56.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.490" | 12.4 mm
Case Capacity:56 gow | 3.63 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):52,939 psi | 3,650 bar
Barrel Length:25.0" | 635 mm
Min. Twist Rate:1:11.5
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