Load Specifications
Load data in caliber 6 mm B.R. Rem. with .243 | 75gr | Impala LW CFN bullet and 60 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester 748, Hodgdon BL-C2 and Alliant AR-Comp.
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 1680 | <<locked>> | 82% | 51,909 psi | 88% | 2966 fps | 100% |
| Accurate 2015 | <<locked>> | 94% | 50,763 psi | 86% | 3028 fps | 100% |
| Accurate 2460 | <<locked>> | 92% | 52,924 psi | 90% | 3087 fps | 99% |
| Accurate 2495ᴾ | <<locked>> | 100% | 50,125 psi | 85% | 3081 fps | 100% |
| Accurate 2520 | <<locked>> | 94% | 49,908 psi | 85% | 3081 fps | 98.3% |
| Accurate 4064ᴾ | <<locked>> | 100% | 46,485 psi | 79% | 3045 fps | 98.7% |
| Accurate LT-30 | <<locked>> | 88% | 52,344 psi | 89% | 2982 fps | 99.7% |
| Accurate LT-32 | <<locked>> | 88% | 52,750 psi | 90% | 2992 fps | 98.6% |
| ADI AR 2206H | <<locked>> | 98% | 52,968 psi | 90% | 3127 fps | 95.8% |
| ADI AR 2207 | <<locked>> | 84% | 50,212 psi | 85% | 2989 fps | 100% |
| ADI AR 2219 | <<locked>> | 88% | 51,039 psi | 87% | 3094 fps | 99.5% |
| ADI Benchmark 8208 | <<locked>> | 96% | 52,214 psi | 89% | 3087 fps | 97% |
| Alliant AR-Comp | <<locked>> | 96% | 50,140 psi | 85% | 3110 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 92% | 53,069 psi | 90% | 3199 fps | 96.7% |
| Alliant Reloder-10x | <<locked>> | 90% | 51,213 psi | 87% | 3058 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 84% | 51,982 psi | 88% | 3002 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 51,053 psi | 87% | 2969 fps | 99.7% |
| Hodgdon Benchmark | <<locked>> | 94% | 52,489 psi | 89% | 3041 fps | 97.7% |
| Hodgdon BL-C2 | <<locked>> | 96% | 50,444 psi | 86% | 3114 fps | 97.4% |
| Hodgdon H322 | <<locked>> | 92% | 53,127 psi | 90% | 3127 fps | 99.7% |
| Hodgdon H335 | <<locked>> | 90% | 51,010 psi | 87% | 3091 fps | 98.9% |
| Hodgdon H4198 | <<locked>> | 84% | 51,097 psi | 87% | 2979 fps | 99.3% |
| Hodgdon H4895 | <<locked>> | 96% | 49,850 psi | 85% | 3081 fps | 95.8% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 51,227 psi | 87% | 3150 fps | 96.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,692 psi | 57% | 1896 fps | 100% |
| Hodgdon VARGET | <<locked>> | 98% | 51,619 psi | 88% | 3087 fps | 96% |
| IMR 3031 | <<locked>> | 98% | 50,415 psi | 86% | 3146 fps | 99.9% |
| IMR 4198 | <<locked>> | 90% | 51,764 psi | 88% | 3025 fps | 100% |
| IMR 8208 XBR | <<locked>> | 96% | 52,214 psi | 89% | 3087 fps | 97% |
| Lovex D073.4 | <<locked>> | 86% | 52,881 psi | 90% | 3100 fps | 98.5% |
| Lovex D073.5 | <<locked>> | 90% | 49,647 psi | 85% | 3031 fps | 97.5% |
| Lovex D073.6 | <<locked>> | 98% | 50,850 psi | 87% | 3110 fps | 98.4% |
| Lovex S062ᴾ | <<locked>> | 100% | 48,907 psi | 83% | 3041 fps | 96.5% |
| Norma 200 | <<locked>> | 86% | 51,750 psi | 88% | 3038 fps | 100% |
| Norma 201 | <<locked>> | 98% | 52,054 psi | 89% | 3081 fps | 97.1% |
| Norma 202 | <<locked>> | 98% | 51,735 psi | 88% | 3100 fps | 99.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,823 psi | 58% | 1942 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 52,881 psi | 90% | 3097 fps | 98.4% |
| Rottweil R 901 | <<locked>> | 94% | 51,039 psi | 87% | 3048 fps | 98.7% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 52,301 psi | 89% | 3074 fps | 97.1% |
| Shooters World AR Plus | <<locked>> | 86% | 52,881 psi | 90% | 3100 fps | 98.5% |
| Shooters World Match Rifle | <<locked>> | 98% | 50,850 psi | 87% | 3110 fps | 98.4% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 48,907 psi | 83% | 3041 fps | 96.5% |
| Shooters World Tactical Rifle | <<locked>> | 88% | 49,763 psi | 85% | 2992 fps | 96% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 51,184 psi | 87% | 2736 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 88% | 51,924 psi | 88% | 3100 fps | 99% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 50,647 psi | 86% | 2995 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 96% | 51,474 psi | 88% | 2995 fps | 98.9% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 47,108 psi | 80% | 2933 fps | 99.1% |
| Somchem S321 | <<locked>> | 92% | 50,604 psi | 86% | 3081 fps | 97.1% |
| Somchem S335 | <<locked>> | 96% | 50,401 psi | 86% | 2999 fps | 99.3% |
| Vihtavuori N120 | <<locked>> | 84% | 50,140 psi | 85% | 2936 fps | 100% |
| Vihtavuori N130 | <<locked>> | 92% | 51,314 psi | 87% | 2995 fps | 100% |
| Vihtavuori N133 | <<locked>> | 96% | 50,647 psi | 86% | 2995 fps | 99.9% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 49,472 psi | 84% | 3064 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 51,547 psi | 88% | 3068 fps | 99.2% |
| Vihtavuori N530 | <<locked>> | 94% | 49,719 psi | 85% | 3031 fps | 96.6% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 50,459 psi | 86% | 3068 fps | 98.8% |
| Winchester 748 | <<locked>> | 96% | 50,952 psi | 87% | 3127 fps | 97.7% |
| Winchester StaBALL Match | <<locked>> | 98% | 50,212 psi | 85% | 3091 fps | 95.9% |
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 1680 | <<locked>> | 80% | 48,486 psi | 83% | 2910 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 33,910 psi | 58% | 2684 fps | 97.8% |
| Accurate 2460 | <<locked>> | 80% | 36,303 psi | 62% | 2756 fps | 95.4% |
| Accurate 2495 | <<locked>> | 80% | 27,282 psi | 46% | 2562 fps | 95.8% |
| Accurate 2520 | <<locked>> | 86% | 38,508 psi | 66% | 2851 fps | 95.7% |
| Accurate 4064 | <<locked>> | 88% | 32,750 psi | 56% | 2733 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 41,437 psi | 71% | 2779 fps | 98.3% |
| Accurate LT-32 | <<locked>> | 80% | 41,785 psi | 71% | 2782 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 96% | 49,516 psi | 84% | 3064 fps | 95% |
| ADI AR 2207 | <<locked>> | 80% | 44,527 psi | 76% | 2890 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 39,740 psi | 68% | 2871 fps | 97.8% |
| ADI Benchmark 8208 | <<locked>> | 90% | 44,048 psi | 75% | 2930 fps | 95.1% |
| Alliant AR-Comp | 24.1 gr | 80% | 30,951 psi | 53% | 2700 fps | 99.1% |
| Alliant Power Pro 1200-R | <<locked>> | 88% | 47,065 psi | 80% | 3087 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 38,508 psi | 66% | 2812 fps | 99.5% |
| Alliant Reloder-7 | <<locked>> | 80% | 46,267 psi | 79% | 2907 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 40,277 psi | 69% | 2769 fps | 98.3% |
| Hodgdon Benchmark | <<locked>> | 86% | 41,568 psi | 71% | 2828 fps | 95.1% |
| Hodgdon BL-C2 | 29.8 gr | 90% | 41,408 psi | 70% | 2936 fps | 95.2% |
| Hodgdon H322 | <<locked>> | 80% | 36,347 psi | 62% | 2789 fps | 96.8% |
| Hodgdon H335 | <<locked>> | 80% | 37,086 psi | 63% | 2805 fps | 95.9% |
| Hodgdon H4198 | <<locked>> | 80% | 45,382 psi | 77% | 2877 fps | 98.5% |
| Hodgdon H4895 | <<locked>> | 94% | 46,949 psi | 80% | 3025 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 98% | 47,877 psi | 82% | 3087 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,106 psi | 43% | 1696 fps | 100% |
| Hodgdon VARGET | <<locked>> | 96% | 48,225 psi | 82% | 3025 fps | 95.2% |
| IMR 3031 | <<locked>> | 80% | 29,530 psi | 50% | 2657 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 39,044 psi | 66% | 2785 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 90% | 44,048 psi | 75% | 2930 fps | 95.1% |
| Lovex D073.4 | <<locked>> | 80% | 43,366 psi | 74% | 2923 fps | 96.7% |
| Lovex D073.5 | <<locked>> | 84% | 40,944 psi | 70% | 2861 fps | 95.4% |
| Lovex D073.6 | <<locked>> | 88% | 36,869 psi | 63% | 2828 fps | 95.1% |
| Lovex S062 | <<locked>> | 96% | 43,511 psi | 74% | 2936 fps | 95.1% |
| Norma 200 | <<locked>> | 80% | 43,540 psi | 74% | 2890 fps | 100% |
| Norma 201 | <<locked>> | 92% | 43,772 psi | 75% | 2923 fps | 95.1% |
| Norma 202 | <<locked>> | 86% | 35,998 psi | 61% | 2779 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,961 psi | 42% | 1732 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 38,798 psi | 66% | 2818 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 82% | 36,463 psi | 62% | 2740 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 94% | 43,961 psi | 75% | 2917 fps | 95.1% |
| Shooters World AR Plus | <<locked>> | 80% | 43,366 psi | 74% | 2923 fps | 96.7% |
| Shooters World Match Rifle | <<locked>> | 88% | 36,869 psi | 63% | 2828 fps | 95.1% |
| Shooters World Precision | <<locked>> | 96% | 43,511 psi | 74% | 2936 fps | 95.1% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 46,934 psi | 80% | 2940 fps | 95.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 46,398 psi | 79% | 2664 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 40,466 psi | 69% | 2874 fps | 96.8% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 31,937 psi | 54% | 2605 fps | 97% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 36,405 psi | 62% | 2694 fps | 95.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 31,473 psi | 54% | 2589 fps | 95.1% |
| Somchem S321 | <<locked>> | 88% | 44,295 psi | 75% | 2956 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 31,908 psi | 54% | 2598 fps | 95.1% |
| Vihtavuori N120 | <<locked>> | 80% | 44,483 psi | 76% | 2844 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 36,492 psi | 62% | 2707 fps | 99% |
| Vihtavuori N133 | <<locked>> | 80% | 31,937 psi | 54% | 2605 fps | 97% |
| Vihtavuori N135 | <<locked>> | 80% | 27,412 psi | 47% | 2559 fps | 95.5% |
| Vihtavuori N140 | <<locked>> | 86% | 33,939 psi | 58% | 2703 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 90% | 44,106 psi | 75% | 2927 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 88% | 34,780 psi | 59% | 2740 fps | 95% |
| Winchester 748 | 29.3 gr | 90% | 42,395 psi | 72% | 2959 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 96% | 47,369 psi | 81% | 3035 fps | 95.1% |
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 60 powders for 6 mm B.R. Rem. loaded with the .243 | 75gr | Impala LW CFN. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 3,199 fps; across all powders the maximum-charge window runs from 1,896 fps to 3,199 fps. Accurate 2495 gives the best case fill at 100 %, and 60 of the 60 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 75.0 gr projectile in 0.243" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, Hodgdon LEVERevolution 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. Winchester 748, Hodgdon BL-C2, Alliant AR-Comp rank at the top here: for 6 mm B.R. Rem. with the .243 | 75gr | Impala LW CFN 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.