Load data for .338 Norma Mag. + 275gr Peregrine Glider GRM
443 suitable loads across 76 powder(s) for cartridge .338 Norma Mag. with 275gr Peregrine Glider GRM bullet.
The most recommended powders for this combination are Accurate High Country, Vihtavuori N560 and Norma MRP.
Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 275gr | Glider GRM
Cartridge:.338 Norma Mag. load data
Case Length (L3):2.490" | 63.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.817" | 20.8 mm
Case Capacity:105.4 gow | 6.83 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:9.5
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