Load data for .303 British + 125gr Speer Spitzer Soft Point

.303 British cartridge with combo bulletSeated DepthL3 = 2.213 in / 56.21 mmL6 = 3.075 in / 78.11 mmSeated Depth = .028 in / 0.71 mm

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
Case Length (L3):2.213" | 56.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.188" | 4.8 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:Stabilizes in any common twist

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Community Loads for .303 British + 125gr Speer Spitzer Soft Point

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PowderCharge (gr)C.O.L.Barrel LengthVelocity (fps)Pressure (psi)

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