Load data for .25 WSSM + 117gr Sierra GameKing

576 suitable loads across 104 powder(s) for cartridge .25 WSSM with 117gr Sierra GameKing bullet.

The most recommended powders for this combination are Alliant Reloder-17, ReloadSwiss RS 60 and Hodgdon H414.

Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric

Bullet:.257 | 117gr | GameKing

Cartridge:.25 WSSM load data

Case Length (L3):1.670" | 42.4 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.461" | 11.7 mm

Case Capacity:54.3 gow | 3.52 cm³

Primer Size:Large Rifle (LR)

Max. Pressure (C.I.P.):63,817 psi | 4,400 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:10.5

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Community Loads for .25 WSSM + 117gr 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)

42.5 gr	2.360"	26.0"	2748 fps	•••
43.3 gr	2.360"	26.0"	2797 fps	•••
44.1 gr	2.360"	26.0"	2846 fps	•••
•••	2.360"	26.0"	2903 fps	•••
•••	2.360"	26.0"	2952 fps	•••
•••	2.360"	26.0"	3000 fps	•••

•••	2.360"	26.0"	2648 fps	•••
•••	2.360"	26.0"	2698 fps	•••
•••	2.360"	26.0"	2749 fps	•••
•••	2.360"	26.0"	2794 fps	•••
•••	2.360"	26.0"	2845 fps	•••

•••	2.360"	26.0"	2700 fps	•••
•••	2.360"	26.0"	2748 fps	•••
•••	2.360"	26.0"	2794 fps	•••
•••	2.360"	26.0"	2840 fps	•••
•••	2.360"	26.0"	2887 fps	•••

•••	2.360"	26.0"	2664 fps	•••
•••	2.360"	26.0"	2710 fps	•••
•••	2.360"	26.0"	2764 fps	•••
•••	2.360"	26.0"	2812 fps	•••
•••	2.360"	26.0"	2857 fps	•••
•••	2.360"	26.0"	2911 fps	•••
•••	2.360"	26.0"	2957 fps	•••

•••	2.360"	26.0"	2749 fps	•••
•••	2.360"	26.0"	2801 fps	•••
•••	2.360"	26.0"	2855 fps	•••
•••	2.360"	26.0"	2907 fps	•••
•••	2.360"	26.0"	2959 fps	•••

•••	2.360"	26.0"	2710 fps	•••
•••	2.360"	26.0"	2778 fps	•••
•••	2.360"	26.0"	2844 fps	•••
•••	2.360"	26.0"	2909 fps	•••

•••	2.360"	26.0"	2763 fps	•••
•••	2.360"	26.0"	2819 fps	•••
•••	2.360"	26.0"	2880 fps	•••
•••	2.360"	26.0"	2936 fps	•••
•••	2.360"	26.0"	2989 fps	•••
•••	2.360"	26.0"	3049 fps	•••

•••	2.360"	26.0"	2717 fps	•••
•••	2.360"	26.0"	2767 fps	•••
•••	2.360"	26.0"	2812 fps	•••
•••	2.360"	26.0"	2863 fps	•••

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