Load data for .308 Win. + 150gr Speer Grand Slam

Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.800 in / 71.12 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.

Load Specifications

ImperialMetric

Bullet:.308 | 150gr | Grand Slam

Cartridge:.308 Win. load data

Case Length (L3):2.014" | 51.2 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.354" | 9.0 mm

Case Capacity:56 gow | 3.63 cm³

Primer Size:Large Rifle (LR)

Max. Pressure (C.I.P.):60,191 psi | 4,150 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:16.0

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Community Loads for .308 Win. + 150gr Speer Grand Slam

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)

44.0 gr	2.680"	—	2691 fps	•••

40.6 gr	2.680"	—	2692 fps	•••

48.3 gr	2.680"	—	2881 fps	•••

•••	2.680"	—	2547 fps	•••
•••	2.680"	—	2755 fps	•••

•••	2.680"	—	2739 fps	•••

•••	2.680"	—	2424 fps	•••
•••	2.680"	—	2647 fps	•••

•••	2.680"	—	2720 fps	•••

•••	2.680"	—	2799 fps	•••

•••	2.680"	—	2684 fps	•••

•••	2.680"	—	2860 fps	•••

•••	2.680"	—	2653 fps	•••

•••	2.680"	—	2547 fps	•••
•••	2.680"	—	2776 fps	•••

•••	2.680"	—	2547 fps	•••
•••	2.680"	—	2788 fps	•••

•••	2.680"	—	2676 fps	•••
•••	2.680"	—	2839 fps	•••

•••	2.680"	—	2594 fps	•••
•••	2.800"	20.0"	2615 fps	•••
•••	2.680"	—	2831 fps	•••

•••	2.680"	—	2820 fps	•••

•••	2.680"	—	2652 fps	•••
•••	2.680"	—	2879 fps	•••

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