Load data for .300 Rem. Ultra Mag. + 180gr Sierra Pro-Hunter

343 suitable loads across 60 powder(s) for cartridge .300 Rem. Ultra Mag. with 180gr Sierra Pro-Hunter bullet.

The most recommended powders for this combination are Hodgdon Retumbo, Vihtavuori N570 and ReloadSwiss RS 76.

Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.

Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 180gr | Pro-Hunter

Cartridge:.300 Rem. Ultra Mag. load data

Case Length (L3):2.850" | 72.4 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.398" | 10.1 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:1:16.0

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Community Loads for .300 Rem. Ultra Mag. + 180gr Sierra Pro-Hunter

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

Charge (gr)	C.O.L.	Barrel Length	Velocity (fps)	Pressure (psi)

87.0 gr	3.598"	24.0"	2803 fps	•••
88.7 gr	3.598"	24.0"	2849 fps	•••
90.3 gr	3.598"	24.0"	2891 fps	•••
•••	3.598"	24.0"	2936 fps	•••

•••	3.598"	24.0"	2705 fps	•••
•••	3.598"	24.0"	2797 fps	•••
•••	3.598"	24.0"	2844 fps	•••
•••	3.598"	24.0"	2887 fps	•••

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.