Load data for 8.5 mm Messner Mag. + 225gr Nosler Partition

513 suitable loads across 82 powder(s) for cartridge 8.5 mm Messner Mag. with 225gr Nosler Partition bullet.

The most recommended powders for this combination are Norma MRP, Vihtavuori N560 and Alliant Reloder-26.

8.5 mm Messner Mag. cartridge with combo bulletSeated DepthL3 = 2.508 in / 63.70 mmL6 = 3.465 in / 88.01 mmSeated Depth = .343 in / 8.71 mm

Based on C.I.P., the max. allowed case length is 2.514 in / 63.85 mm, the max. cartridge length is 3.465 in / 88.00 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

225gr Nosler Partition bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.508" | 63.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.395" | 10.0 mm
Case Capacity:106 gow | 6.87 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:25.6" | 650 mm
Min. Twist Rate:1:15.5

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