Load data for .300 WSM + 150gr Speer Boat-Tail

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 150gr | Boat-Tail

Cartridge:.300 WSM load data

Case Length (L3):2.090" | 53.1 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.359" | 9.1 mm

Case Capacity:81.3 gow | 5.27 cm³

Primer Size:Large Rifle Magnum (LRM)

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

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:15.0

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Community Loads for .300 WSM + 150gr Speer Boat-Tail

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)

61.0 gr	2.810"	—	2857 fps	•••
65.0 gr	2.810"	—	3019 fps	•••

64.0 gr	2.810"	24.0"	3133 fps	•••

•••	2.810"	—	2914 fps	•••
•••	2.810"	—	3207 fps	•••

•••	2.810"	—	2848 fps	•••
•••	2.810"	—	3130 fps	•••
•••	2.810"	24.0"	3184 fps	•••

•••	2.810"	—	3005 fps	•••
•••	2.810"	—	3177 fps	•••

•••	2.810"	—	2933 fps	•••
•••	2.810"	—	3101 fps	•••

•••	2.810"	—	2914 fps	•••
•••	2.810"	—	3085 fps	•••

•••	2.810"	—	2981 fps	•••
•••	2.810"	—	3148 fps	•••

•••	2.810"	—	2868 fps	•••
•••	2.810"	—	3045 fps	•••

•••	2.810"	—	2995 fps	•••

•••	2.810"	—	2922 fps	•••
•••	2.810"	—	3085 fps	•••

•••	2.810"	—	3018 fps	•••
•••	2.810"	—	3179 fps	•••

•••	2.810"	—	2816 fps	•••

•••	2.810"	—	2975 fps	•••

•••	2.810"	—	2936 fps	•••
•••	2.810"	—	3107 fps	•••

•••	2.810"	—	2991 fps	•••
•••	2.810"	—	3275 fps	•••

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