Load data for .243 WSSM + 70gr Speer TNT

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:.243 | 70gr | TNT

Cartridge:.243 WSSM load data

Case Length (L3):1.663" | 42.2 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.223" | 5.7 mm

Case Capacity:53.9 gow | 3.49 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:1:12.5

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Community Loads for .243 WSSM + 70gr Speer TNT

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)

37.5 gr	2.250"	—	3089 fps	•••
39.5 gr	2.250"	—	3223 fps	•••

45.0 gr	2.250"	—	3307 fps	•••
•••	2.250"	—	3456 fps	•••

•••	2.250"	—	3184 fps	•••
•••	2.250"	24.0"	3324 fps	•••

•••	2.250"	24.0"	3628 fps	•••

•••	2.250"	—	3287 fps	•••
•••	2.250"	24.0"	3431 fps	•••

•••	2.250"	—	3279 fps	•••
•••	2.250"	—	3425 fps	•••

•••	2.250"	—	3241 fps	•••
•••	2.250"	—	3377 fps	•••

•••	2.250"	—	3216 fps	•••
•••	2.250"	—	3354 fps	•••

•••	2.250"	—	3188 fps	•••
•••	2.250"	—	3329 fps	•••

•••	2.250"	—	3277 fps	•••
•••	2.250"	—	3413 fps	•••

•••	2.250"	—	3149 fps	•••
•••	2.250"	—	3275 fps	•••

•••	2.250"	—	3318 fps	•••
•••	2.250"	—	3461 fps	•••

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