Load data for .280 Riml. N.E. Ross + 139gr MEN SF

246 suitable loads across 44 powder(s) for cartridge .280 Riml. N.E. Ross with 139gr MEN SF bullet.

The most recommended powders for this combination are Hodgdon Retumbo, Winchester StaBALL HD and ReloadSwiss RS 76.

.280 Riml. N.E. Ross cartridge with combo bulletSeated DepthL3 = 2.610 in / 66.29 mmL6 = 3.460 in / 87.88 mmSeated Depth = .374 in / 9.50 mm

Based on C.I.P., the max. allowed case length is 2.611 in / 66.32 mm, the max. cartridge length is 3.460 in / 87.88 mm, and the max. allowed pressure is 47,137 PSI / 3,250 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.610" | 66.3 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.426" | 10.8 mm
Case Capacity:83 gow | 5.38 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):47,137 psi | 3,250 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:11.0

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