Load data for .338 Weatherby RPM + 215gr Sierra GameKing

547 suitable loads across 101 powder(s) for cartridge .338 Weatherby RPM with 215gr Sierra GameKing bullet.

The most recommended powders for this combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 and ReloadSwiss RS 52.

Based on SAAMI, the max. allowed case length is 2.550 in / 64.77 mm, the max. cartridge length is 3.380 in / 85.85 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Based on SAAMI, the max. allowed case length is 2.550 in / 64.77 mm, the max. cartridge length is 3.380 in / 85.85 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Load Specifications

ImperialMetric

Bullet:.338 | 215gr | GameKing

Cartridge:.338 Weatherby RPM load data

Case Length (L3):2.550" | 64.8 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.491" | 12.5 mm

Case Capacity:81.6 gow | 5.29 cm³

Primer Size:Large Rifle Magnum (LRM)

Max. Pressure (SAAMI):65,000 psi | 4,482 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:15.5

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Community Loads for .338 Weatherby RPM + 215gr Sierra GameKing

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)

60.0 gr	3.355"	22.5"	2595 fps	•••
64.0 gr	3.355"	22.5"	2736 fps	•••

61.0 gr	3.245"	22.5"	2723 fps	•••
•••	3.245"	22.5"	2795 fps	•••

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