Load data for 5.56 x 45 NATO + 77gr Berger OTM Tactical
The most recommended powders for this combination are Vihtavuori N140.
Based on NATO EPVAT, 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 62,366 PSI / 4,300 bar.
Based on NATO EPVAT, 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 62,366 PSI / 4,300 bar.
Load Specifications
ImperialMetric
Bullet:.224 | 77gr | OTM Tactical
Cartridge:5.56 x 45 NATO load data
Case Length (L3):1.759" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.480" | 12.2 mm
Case Capacity:30 gow | 1.94 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (NATO EPVAT):62,366 psi | 4,300 bar
Barrel Length:20.0" | 508 mm
Min. Twist Rate:1:8.5
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Community Loads for 5.56 x 45 NATO + 77gr Berger OTM Tactical
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) |
|---|---|---|---|---|---|
| 22.0 gr | 2.270" | 16.0" | 2523 fps | ••• | |
| 22.0 gr | 2.270" | 16.0" | 2480 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.