Load data for .243 Win. + 100gr Speer Grand Slam

517 suitable loads across 85 powder(s) for cartridge .243 Win. with 100gr Speer Grand Slam bullet.

The most recommended powders for this combination are Alliant Reloder-26, Alliant Reloder-16 and Norma MRP.

Based on C.I.P., the max. allowed case length is 2.045 in / 51.94 mm, the max. cartridge length is 2.710 in / 68.83 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.

Based on C.I.P., the max. allowed case length is 2.045 in / 51.94 mm, the max. cartridge length is 2.710 in / 68.83 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.

Load Specifications

ImperialMetric

Bullet:.243 | 100gr | Grand Slam

Cartridge:.243 Win. load data

Case Length (L3):2.044" | 51.9 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.450" | 11.4 mm

Case Capacity:54 gow | 3.50 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:1:10.5

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Community Loads for .243 Win. + 100gr 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)

39.5 gr	2.580"	24.0"	2930 fps	•••

40.0 gr	2.638"	23.6"	2900 fps	•••

42.5 gr	2.638"	23.6"	2854 fps	•••
•••	2.598"	23.6"	2900 fps	•••

•••	2.622"	24.0"	2881 fps	•••
•••	2.710"	24.0"	2858 fps	•••
•••	2.622"	24.0"	2913 fps	•••

•••	2.710"	24.0"	2667 fps	•••

•••	2.710"	24.0"	2841 fps	•••

•••	2.638"	23.6"	2792 fps	•••

•••	2.689"	23.0"	2760 fps	•••

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