Load data for .300 H&H Mag. + 180gr Nosler Partition

544 suitable loads across 91 powder(s) for cartridge .300 H&H Mag. with 180gr Nosler Partition bullet.

The most recommended powders for this combination are ReloadSwiss RS 70, IMR 4831 and Alliant Reloder-26.

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 62,366 PSI / 4,300 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 62,366 PSI / 4,300 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 180gr | Partition

Cartridge:.300 H&H Mag. load data

Case Length (L3):2.850" | 72.4 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.482" | 12.3 mm

Case Capacity:85.9 gow | 5.57 cm³

Primer Size:Large Rifle Magnum (LRM)

Max. Pressure (C.I.P.):62,366 psi | 4,300 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:14.5

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Community Loads for .300 H&H Mag. + 180gr Nosler Partition

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)

67.0 gr	3.550"	24.0"	2687 fps	•••
71.0 gr	3.550"	24.0"	2848 fps	•••

60.5 gr	3.550"	24.0"	2764 fps	•••

•••	3.550"	24.0"	2758 fps	•••

•••	3.543"	—	2595 fps	•••
•••	3.543"	—	2722 fps	•••

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