Load data for .223 Rem. + 55gr Speer SP w/C
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
ImperialMetric
Bullet:.224 | 55gr | SP w/C
Cartridge:.223 Rem. load data
Case Length (L3):1.759" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.265" | 6.7 mm
Case Capacity:30 gow | 1.94 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (SAAMI):55,000 psi | 3,792 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.5
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Community Loads for .223 Rem. + 55gr Speer SP w/C
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) |
|---|---|---|---|---|---|
| 23.0 gr | 2.175" | — | 3182 fps | ••• | |
| 26.0 gr | 2.200" | 24.0" | 3108 fps | ••• | |
| 21.6 gr | 2.200" | 24.0" | 2804 fps | ••• | |
| ••• | 2.200" | 24.0" | 3169 fps | ••• | |
| ••• | 2.200" | 24.0" | 2786 fps | ••• | |
| ••• | 2.200" | 24.0" | 3100 fps | ••• | |
| ••• | 2.200" | 24.0" | 2845 fps | ••• | |
| ••• | 2.200" | 24.0" | 3072 fps | ••• | |
| ••• | 2.200" | 24.0" | 2842 fps | ••• | |
| ••• | 2.200" | 24.0" | 3023 fps | ••• | |
| ••• | 2.200" | 24.0" | 2775 fps | ••• | |
| ••• | 2.200" | 24.0" | 3157 fps | ••• | |
| ••• | 2.200" | 24.0" | 2889 fps | ••• | |
| ••• | 2.200" | 24.0" | 3152 fps | ••• | |
| ••• | 2.200" | 24.0" | 2882 fps | ••• | |
| ••• | 2.200" | 24.0" | 3115 fps | ••• | |
| ••• | 2.200" | 24.0" | 2763 fps | ••• | |
| ••• | 2.200" | 24.0" | 3072 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.