Load data for 9.3 x 57 + 250gr Hornady ECX

The most recommended powders for this combination are Alliant AR-Comp, IMR 3031 and Norma 202.

9.3 x 57 cartridge with combo bulletSeated DepthL3 = 2.224 in / 56.49 mmL6 = 3.228 in / 81.99 mmSeated Depth = .296 in / 7.52 mm

Based on C.I.P., the max. allowed case length is 2.224 in / 56.50 mm, the max. cartridge length is 3.228 in / 82.00 mm, and the max. allowed pressure is 43,511 PSI / 3,000 bar.

250gr Hornady ECX bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.224" | 56.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.366" | 9.3 mm
Case Capacity:63 gow | 4.08 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):43,511 psi | 3,000 bar
Barrel Length:23.6" | 600 mm

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