Load data for .223 Rem. + 77gr Sierra Tipped MatchKing
The most recommended powders for this combination are IMR 8208 XBR, ADI Benchmark 8208 and Vihtavuori N540.
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
Cartridge:.223 Rem. load data
Case Length (L3):1.759" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.566" | 14.4 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:1:8.5
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Community Loads for .223 Rem. + 77gr Sierra Tipped MatchKing
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) |
|---|---|---|---|---|---|
| 20.9 gr | 2.260" | 20.0" | 2561 fps | ••• | |
| 22.1 gr | 2.260" | 20.0" | 2545 fps | ••• | |
| 23.1 gr | 2.260" | 20.0" | 2648 fps | ••• | |
| ••• | 2.260" | 20.0" | 2313 fps | ••• | |
| ••• | 2.260" | 24.0" | 2463 fps | ••• | |
| ••• | 2.260" | 24.0" | 2563 fps | ••• | |
| ••• | 2.260" | 20.0" | 2461 fps | ••• | |
| ••• | 2.260" | 20.0" | 2533 fps | ••• | |
| ••• | 2.260" | 20.0" | 2556 fps | ••• | |
| ••• | 2.260" | 24.0" | 2376 fps | ••• | |
| ••• | 2.260" | 24.0" | 2464 fps | ••• | |
| ••• | 2.260" | 24.0" | 2466 fps | ••• | |
| ••• | 2.260" | 24.0" | 2572 fps | ••• | |
| ••• | 2.260" | 24.0" | 2443 fps | ••• | |
| ••• | 2.260" | 24.0" | 2540 fps | ••• | |
| ••• | 2.260" | 24.0" | 2650 fps | ••• | |
| ••• | 2.260" | 24.0" | 2382 fps | ••• | |
| ••• | 2.260" | 24.0" | 2472 fps | ••• | |
| ••• | 2.260" | 24.0" | 2573 fps | ••• | |
| ••• | 2.260" | 20.0" | 2631 fps | ••• | |
| ••• | 2.260" | 20.0" | 2674 fps | ••• | |
| ••• | 2.260" | 24.0" | 2427 fps | ••• | |
| ••• | 2.260" | 24.0" | 2523 fps | ••• | |
| ••• | 2.260" | 24.0" | 2618 fps | ••• | |
| ••• | 2.260" | 24.0" | 2596 fps | ••• | |
| ••• | 2.260" | 20.0" | 2672 fps | ••• | |
| ••• | 2.260" | 20.0" | 2559 fps | ••• | |
| ••• | 2.260" | 20.0" | 2630 fps | ••• | |
| ••• | 2.260" | 24.0" | 2365 fps | ••• | |
| ••• | 2.260" | 24.0" | 2467 fps | ••• | |
| ••• | 2.260" | 24.0" | 2568 fps | ••• | |
| ••• | 2.260" | 24.0" | 2434 fps | ••• | |
| ••• | 2.260" | 24.0" | 2523 fps | ••• | |
| ••• | 2.260" | 24.0" | 2612 fps | ••• | |
| ••• | 2.260" | 16.0" | 2464 fps | ••• | |
| ••• | 2.260" | 22.3" | 2589 fps | ••• | |
| ••• | 2.260" | 22.3" | 2641 fps | ••• | |
| ••• | 2.303" | 22.2" | 2651 fps | ••• | |
| ••• | 2.303" | 22.2" | 2661 fps | ••• | |
| ••• | 2.260" | 24.0" | 2437 fps | ••• | |
| ••• | 2.260" | 24.0" | 2536 fps | ••• | |
| ••• | 2.260" | 24.0" | 2633 fps | ••• | |
| ••• | 2.260" | 23.9" | 2736 fps | ••• | |
| ••• | 2.260" | 23.9" | 2762 fps | ••• | |
| ••• | 2.260" | 24.0" | 2308 fps | ••• | |
| ••• | 2.260" | 24.0" | 2406 fps | ••• | |
| ••• | 2.260" | 24.0" | 2512 fps | ••• | |
| ••• | 2.260" | 20.0" | 2400 fps | ••• | |
| ••• | 2.260" | 20.0" | 2470 fps | ••• | |
| ••• | 2.260" | 20.0" | 2575 fps | ••• | |
| ••• | 2.260" | 16.0" | 2526 fps | ••• | |
| ••• | 2.260" | 24.0" | 2369 fps | ••• | |
| ••• | 2.260" | 24.0" | 2464 fps | ••• | |
| ••• | 2.260" | 17.7" | 2411 fps | ••• | |
| ••• | 2.260" | 24.0" | 2560 fps | ••• | |
| ••• | 2.260" | 17.7" | 2474 fps | ••• | |
| ••• | 2.260" | 17.7" | 2497 fps | ••• | |
| ••• | 2.260" | 24.0" | 2654 fps | ••• | |
| ••• | 2.260" | 17.7" | 2526 fps | ••• | |
| ••• | 2.260" | 20.0" | 2552 fps | ••• | |
| ••• | 2.260" | 20.0" | 2644 fps | ••• | |
| ••• | 2.260" | 20.0" | 2527 fps | ••• | |
| ••• | 2.260" | 20.0" | 2607 fps | ••• | |
| ••• | 2.260" | 20.0" | 2650 fps | ••• | |
| ••• | 2.260" | 24.0" | 2490 fps | ••• | |
| ••• | 2.260" | 24.0" | 2590 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.