Load data for .270 Win. + 130gr Speer Grand Slam

Based on C.I.P., the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Based on C.I.P., the max. allowed case length is 2.540 in / 64.52 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Load Specifications

ImperialMetric

Bullet:.277 | 130gr | Grand Slam

Cartridge:.270 Win. load data

Case Length (L3):2.540" | 64.5 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.383" | 9.7 mm

Case Capacity:67 gow | 4.34 cm³

Primer Size:Large Rifle (LR)

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

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:12.5

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Community Loads for .270 Win. + 130gr 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)

52.0 gr	3.240"	—	2582 fps	•••
56.0 gr	3.240"	—	2785 fps	•••

48.3 gr	3.240"	—	2747 fps	•••
•••	3.240"	—	3012 fps	•••

•••	3.240"	—	2717 fps	•••
•••	3.240"	—	2983 fps	•••

•••	3.240"	—	2774 fps	•••
•••	3.240"	—	2980 fps	•••

•••	3.240"	—	2716 fps	•••
•••	3.240"	—	2929 fps	•••

•••	3.240"	—	2698 fps	•••
•••	3.240"	—	2980 fps	•••

•••	3.240"	—	2963 fps	•••

•••	3.240"	—	2807 fps	•••

•••	3.240"	—	2760 fps	•••
•••	3.240"	—	2964 fps	•••

•••	3.240"	—	2924 fps	•••

•••	3.240"	—	2860 fps	•••

•••	3.240"	—	2776 fps	•••
•••	3.240"	—	2972 fps	•••

•••	3.240"	—	2846 fps	•••
•••	3.240"	—	3037 fps	•••

•••	3.240"	—	2760 fps	•••
•••	3.240"	—	2964 fps	•••

•••	3.240"	—	2808 fps	•••
•••	3.240"	—	3075 fps	•••
•••	3.240"	—	2913 fps	•••
•••	3.240"	—	3134 fps	•••

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