Load data for .300 Rem. Ultra Mag. + 166gr Peregrine Glider GRM
439 suitable loads across 73 powder(s) for cartridge .300 Rem. Ultra Mag. with 166gr Peregrine Glider GRM bullet.
The most recommended powders for this combination are Accurate MAGPRO, Alliant Reloder-26 and Hodgdon Retumbo.
i
i
Load Specifications
ImperialMetric
Bullet:.308 | 166gr | Glider GRM
Cartridge:.300 Rem. Ultra Mag. load data
Case Length (l3):2.850" | 72.4 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.775" | 19.7 mm
Case Capacity:112.5 gow | 7.29 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.)::64,977 psi | 4,480 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:10.0
Get PRO license to unlock all data and calculators