Load data for .223 WSSM + 55gr 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:.224 | 55gr | TNT

Cartridge:.223 WSSM load data

Case Length (L3):1.663" | 42.2 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.170" | 4.3 mm

Case Capacity:53.7 gow | 3.48 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:1:12.0

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Community Loads for .223 WSSM + 55gr 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)

46.0 gr	2.210"	—	3656 fps	•••
48.0 gr	2.210"	—	3810 fps	•••

37.9 gr	2.210"	—	3552 fps	•••

•••	2.210"	—	3728 fps	•••

•••	2.210"	—	3544 fps	•••
•••	2.210"	—	3688 fps	•••

•••	2.210"	—	3559 fps	•••
•••	2.210"	—	3711 fps	•••

•••	2.210"	—	3587 fps	•••
•••	2.210"	—	3739 fps	•••

•••	2.210"	—	3665 fps	•••

•••	2.210"	—	3583 fps	•••
•••	2.210"	—	3724 fps	•••

•••	2.210"	—	3622 fps	•••
•••	2.210"	—	3765 fps	•••

•••	2.210"	—	3571 fps	•••

•••	2.210"	—	3676 fps	•••
•••	2.210"	—	3814 fps	•••

•••	2.210"	—	3487 fps	•••
•••	2.210"	—	3646 fps	•••

•••	2.210"	—	3627 fps	•••
•••	2.210"	—	3774 fps	•••

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