Load data for .280 Riml. N.E. Ross + 160gr Speer Boat-Tail

.280 Riml. N.E. Ross cartridge with combo bulletSeated DepthL3 = 2.610 in / 66.29 mmL6 = 3.460 in / 87.88 mmSeated Depth = .370 in / 9.40 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.

160gr Speer Boat-Tail bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.610" | 66.3 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.434" | 11.0 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:1:12.0

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