Load data for .223 Rem. + 55gr Speer TNT
329 suitable loads across 56 powder(s) for cartridge .223 Rem. with 55gr Speer TNT bullet.
The most recommended powders for this combination are ADI AR 2219, Vihtavuori N133 and Hodgdon H335.
Based on SAAMI, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,000 PSI / 3,792 bar.

Based on SAAMI, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,000 PSI / 3,792 bar.

Load Specifications
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Community Loads for .223 Rem. + 55gr Speer TNT
Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.
| Powder | Charge (gr) | C.O.L. | Barrel Length | Velocity (fps) | Pressure (psi) |
|---|---|---|---|---|---|
| 18.0 gr | 2.260" | 22.0" | 2953 fps | ••• | |
| 23.0 gr | 2.236" | 23.8" | 2949 fps | ••• | |
| 23.2 gr | 2.236" | 23.8" | 2972 fps | ••• | |
| ••• | 2.236" | 23.8" | 2995 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.