Load Specifications
Load data in caliber .416 Rigby with .416 | 240gr | Impala LWHV LS bullet and 33 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Accurate 4064 and SNPE Vectan Tubal 5000.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 86% | 40,625 psi | 86% | 2799 fps | 99.9% |
| Accurate 2520 | <<locked>> | 82% | 41,394 psi | 88% | 2825 fps | 98% |
| Accurate 4064 | <<locked>> | 88% | 40,495 psi | 86% | 2822 fps | 98.8% |
| ADI Benchmark 8208 | <<locked>> | 82% | 41,002 psi | 87% | 2785 fps | 96.1% |
| Alliant AR-Comp | <<locked>> | 84% | 42,105 psi | 89% | 2864 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 41,263 psi | 88% | 2841 fps | 95.9% |
| Bofors RP3 | <<locked>> | 90% | 41,133 psi | 87% | 2848 fps | 96% |
| Hodgdon BL-C2 | <<locked>> | 84% | 41,785 psi | 89% | 2858 fps | 97.1% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 42,380 psi | 90% | 2897 fps | 96.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,592 psi | 73% | 1870 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 42,612 psi | 90% | 2835 fps | 95.7% |
| IMR 3031 | <<locked>> | 84% | 40,263 psi | 85% | 2851 fps | 99.6% |
| IMR 8208 XBR | <<locked>> | 82% | 41,002 psi | 87% | 2785 fps | 96.1% |
| Lovex D073.6 | <<locked>> | 86% | 42,641 psi | 90% | 2864 fps | 98.3% |
| Lovex S062 | <<locked>> | 88% | 41,582 psi | 88% | 2812 fps | 96.4% |
| Norma 201 | <<locked>> | 84% | 41,176 psi | 87% | 2785 fps | 96.3% |
| Norma 202 | <<locked>> | 84% | 40,756 psi | 86% | 2802 fps | 98.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,969 psi | 74% | 1916 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 41,075 psi | 87% | 2920 fps | 97.4% |
| Rottweil R 902 | <<locked>> | 86% | 41,611 psi | 88% | 2785 fps | 96.4% |
| Shooters World Match Rifle | <<locked>> | 86% | 42,641 psi | 90% | 2864 fps | 98.3% |
| Shooters World Precision | <<locked>> | 88% | 41,582 psi | 88% | 2812 fps | 96.4% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 42,366 psi | 90% | 2759 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 42,641 psi | 90% | 2753 fps | 98.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 41,785 psi | 89% | 2753 fps | 99.3% |
| Somchem S335 | <<locked>> | 84% | 42,192 psi | 90% | 2759 fps | 99.2% |
| Vihtavuori N133 | <<locked>> | 84% | 42,366 psi | 90% | 2759 fps | 99.9% |
| Vihtavuori N135 | <<locked>> | 88% | 42,308 psi | 90% | 2831 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 40,944 psi | 87% | 2782 fps | 98.8% |
| Vihtavuori N150 | <<locked>> | 94% | 42,583 psi | 90% | 2828 fps | 97.2% |
| Vihtavuori N530 | <<locked>> | 82% | 40,930 psi | 87% | 2779 fps | 96.2% |
| Vihtavuori N540 | <<locked>> | 88% | 42,076 psi | 89% | 2822 fps | 98.6% |
| Winchester 748 | <<locked>> | 84% | 42,250 psi | 90% | 2874 fps | 97.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 33,924 psi | 72% | 2648 fps | 99.2% |
| Accurate 2520 | <<locked>> | 80% | 38,740 psi | 82% | 2769 fps | 97.4% |
| Accurate 4064 | 79.7 gr | 80% | 31,981 psi | 68% | 2615 fps | 96.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,638 psi | 82% | 2730 fps | 95.4% |
| Alliant AR-Comp | <<locked>> | 80% | 37,086 psi | 79% | 2759 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 38,798 psi | 82% | 2785 fps | 95.1% |
| Bofors RP3 | <<locked>> | 88% | 38,595 psi | 82% | 2789 fps | 95.1% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,666 psi | 78% | 2740 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 39,871 psi | 85% | 2841 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,904 psi | 55% | 1673 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 40,161 psi | 85% | 2782 fps | 95% |
| IMR 3031 | <<locked>> | 80% | 35,636 psi | 76% | 2743 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 80% | 38,638 psi | 82% | 2730 fps | 95.4% |
| Lovex D073.6 | <<locked>> | 80% | 35,230 psi | 75% | 2697 fps | 96.3% |
| Lovex S062 | <<locked>> | 84% | 37,144 psi | 79% | 2710 fps | 95% |
| Norma 201 | <<locked>> | 82% | 38,827 psi | 82% | 2730 fps | 95.6% |
| Norma 202 | <<locked>> | 80% | 36,201 psi | 77% | 2697 fps | 97.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,107 psi | 55% | 1716 fps | 100% |
| ReloadSwiss RS 60 | 94 gr | 88% | 36,318 psi | 77% | 2792 fps | 95.5% |
| Rottweil R 902 | <<locked>> | 84% | 39,291 psi | 83% | 2733 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 35,230 psi | 75% | 2697 fps | 96.3% |
| Shooters World Precision | <<locked>> | 84% | 37,144 psi | 79% | 2710 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 37,753 psi | 80% | 2664 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,971 psi | 81% | 2654 fps | 97.8% |
| SNPE Vectan Tubal 5000 | 77.1 gr | 80% | 31,212 psi | 66% | 2507 fps | 96.8% |
| Somchem S335 | <<locked>> | 80% | 37,594 psi | 80% | 2661 fps | 98.4% |
| Vihtavuori N133 | <<locked>> | 80% | 37,753 psi | 80% | 2664 fps | 99.5% |
| Vihtavuori N135 | <<locked>> | 80% | 33,315 psi | 71% | 2635 fps | 99% |
| Vihtavuori N140 | <<locked>> | 80% | 34,127 psi | 72% | 2625 fps | 97.1% |
| Vihtavuori N150 | <<locked>> | 88% | 35,534 psi | 75% | 2671 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 38,537 psi | 82% | 2723 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 33,040 psi | 70% | 2608 fps | 96.1% |
| Winchester 748 | <<locked>> | 80% | 37,173 psi | 79% | 2759 fps | 96% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 33 powders for .416 Rigby loaded with the .416 | 240gr | Impala LWHV LS. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,920 fps; across all powders the maximum-charge window runs from 1,870 fps to 2,920 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 33 of the 33 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (325 MPa), the top charges use 73–90 %, leaving at least 10 % headroom. The 240.0 gr projectile in 0.416" calls for a 1:19.5 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, ReloadSwiss RS 14 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. ReloadSwiss RS 60, Accurate 4064, SNPE Vectan Tubal 5000 rank at the top here: for .416 Rigby with the .416 | 240gr | Impala LWHV LS they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.