Load Specifications
Load data in caliber 7.5 x 55 Swiss with .308 | 135gr | Sierra HPBT MatchKing bullet and 85 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 and ReloadSwiss RS 52.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 31"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 49,806 psi | 90% | 3035 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 48,269 psi | 88% | 3054 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 46,731 psi | 85% | 3045 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 49,255 psi | 89% | 3114 fps | 100% |
| Accurate 4064 | <<locked>> | 96% | 49,748 psi | 90% | 3136 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 41,611 psi | 76% | 3058 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 90% | 49,037 psi | 89% | 3120 fps | 98.9% |
| ADI AR 2208 | <<locked>> | 96% | 49,748 psi | 90% | 3110 fps | 98.4% |
| ADI Benchmark 8208 | <<locked>> | 88% | 48,559 psi | 88% | 3077 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 88% | 47,355 psi | 86% | 3068 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 49,226 psi | 89% | 3186 fps | 99.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 47,935 psi | 87% | 3215 fps | 98.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 48,631 psi | 88% | 3133 fps | 99.4% |
| Alliant Reloder-10x | <<locked>> | 82% | 46,862 psi | 85% | 2999 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 49,617 psi | 90% | 3156 fps | 98.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 42,743 psi | 78% | 3071 fps | 96.6% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 49,255 psi | 89% | 3245 fps | 99.4% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 49,284 psi | 89% | 2972 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 48,312 psi | 88% | 3123 fps | 97.9% |
| Bofors RP3 | <<locked>> | 96% | 48,675 psi | 88% | 3146 fps | 99.5% |
| Hodgdon Benchmark | <<locked>> | 86% | 47,761 psi | 87% | 3015 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 90% | 49,850 psi | 90% | 3156 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 86% | 48,138 psi | 87% | 3192 fps | 98.5% |
| Hodgdon H322 | <<locked>> | 84% | 48,834 psi | 89% | 3087 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 49,676 psi | 90% | 3107 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 47,152 psi | 86% | 3094 fps | 97% |
| Hodgdon H4895 | <<locked>> | 90% | 49,371 psi | 90% | 3133 fps | 99.3% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 38,870 psi | 71% | 2943 fps | 97.3% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 47,601 psi | 86% | 3159 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,214 psi | 62% | 1923 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 47,616 psi | 86% | 3081 fps | 99% |
| IMR 3031 | <<locked>> | 90% | 48,051 psi | 87% | 3127 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 49,429 psi | 90% | 3094 fps | 98.6% |
| IMR 4198 | <<locked>> | 82% | 47,659 psi | 86% | 2963 fps | 100% |
| IMR 4831ᴾ | <<locked>> | 100% | 40,379 psi | 73% | 3005 fps | 96.2% |
| IMR 4895 | <<locked>> | 92% | 47,747 psi | 87% | 3136 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 88% | 48,559 psi | 88% | 3077 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 84% | 47,950 psi | 87% | 3054 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 90% | 47,398 psi | 86% | 3094 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 49,632 psi | 90% | 3048 fps | 98.9% |
| Lovex S062 | <<locked>> | 94% | 48,704 psi | 88% | 3097 fps | 99.6% |
| Lovex S065ᴾ | <<locked>> | 100% | 47,688 psi | 87% | 3064 fps | 96.2% |
| Norma 201 | <<locked>> | 90% | 47,863 psi | 87% | 3068 fps | 99.5% |
| Norma 202 | <<locked>> | 90% | 48,124 psi | 87% | 3081 fps | 100% |
| Norma 203B | <<locked>> | 94% | 48,776 psi | 89% | 3143 fps | 98.9% |
| Norma URPᴾ | <<locked>> | 100% | 42,351 psi | 77% | 3058 fps | 96.4% |
| Ramshot Big Game | <<locked>> | 94% | 48,892 psi | 89% | 3159 fps | 98.8% |
| Ramshot TAC | <<locked>> | 88% | 48,950 psi | 89% | 3077 fps | 96.6% |
| Ramshot Wild Boar | <<locked>> | 88% | 47,703 psi | 87% | 3104 fps | 98.7% |
| Ramshot X-Terminator | <<locked>> | 86% | 49,806 psi | 90% | 3077 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,287 psi | 62% | 1965 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 48,022 psi | 87% | 3064 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 48,965 psi | 89% | 3222 fps | 98.6% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 49,168 psi | 89% | 3255 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 42,061 psi | 76% | 3077 fps | 96.1% |
| Rottweil R 901 | <<locked>> | 88% | 48,979 psi | 89% | 3061 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 48,037 psi | 87% | 3058 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 98% | 48,269 psi | 88% | 3127 fps | 99.3% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 47,688 psi | 87% | 3064 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 90% | 47,398 psi | 86% | 3094 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 48,704 psi | 88% | 3097 fps | 99.6% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 47,950 psi | 87% | 3022 fps | 99.2% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 47,340 psi | 86% | 3143 fps | 98.7% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 47,558 psi | 86% | 3015 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 46,557 psi | 84% | 3041 fps | 96.7% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 47,340 psi | 86% | 3084 fps | 98.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 47,094 psi | 85% | 2966 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 49,414 psi | 90% | 3009 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 49,269 psi | 89% | 3114 fps | 99.7% |
| Somchem S335 | <<locked>> | 90% | 49,182 psi | 89% | 3015 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 49,429 psi | 90% | 3100 fps | 98.8% |
| Somchem S355 | <<locked>> | 98% | 49,240 psi | 89% | 3133 fps | 99.3% |
| Somchem S365ᴾ | <<locked>> | 100% | 37,666 psi | 68% | 2999 fps | 98.5% |
| Vihtavuori N130 | <<locked>> | 84% | 47,137 psi | 86% | 2946 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 49,777 psi | 90% | 3002 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 46,847 psi | 85% | 3038 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 48,298 psi | 88% | 3051 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 47,500 psi | 86% | 3061 fps | 99.7% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 44,730 psi | 81% | 3058 fps | 96.8% |
| Vihtavuori N530 | <<locked>> | 88% | 48,762 psi | 88% | 3074 fps | 99.6% |
| Vihtavuori N540 | <<locked>> | 94% | 49,777 psi | 90% | 3097 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 43,888 psi | 80% | 3068 fps | 96.6% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 46,514 psi | 84% | 3048 fps | 98.9% |
| Winchester 748 | <<locked>> | 88% | 47,355 psi | 86% | 3120 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 90% | 46,673 psi | 85% | 3091 fps | 99% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 31"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 38,899 psi | 71% | 2841 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 41,989 psi | 76% | 2940 fps | 99.8% |
| Accurate 2495 | <<locked>> | 80% | 31,227 psi | 57% | 2733 fps | 99.9% |
| Accurate 2520 | <<locked>> | 80% | 37,260 psi | 68% | 2884 fps | 99.1% |
| Accurate 4064 | <<locked>> | 80% | 29,530 psi | 54% | 2710 fps | 98.3% |
| Accurate 4350 | <<locked>> | 98% | 38,798 psi | 70% | 2995 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 35,636 psi | 65% | 2835 fps | 95.9% |
| ADI AR 2208 | <<locked>> | 86% | 36,593 psi | 66% | 2835 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 37,608 psi | 68% | 2854 fps | 97.7% |
| Alliant AR-Comp | <<locked>> | 80% | 35,955 psi | 65% | 2864 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 43,149 psi | 78% | 3068 fps | 98.5% |
| Alliant Power Pro 2000-MR | 51.1 gr | 86% | 39,349 psi | 71% | 3022 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 31,154 psi | 57% | 2746 fps | 95.5% |
| Alliant Reloder-10x | <<locked>> | 80% | 44,121 psi | 80% | 2953 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 35,998 psi | 65% | 2867 fps | 95.4% |
| Alliant Reloder-16 | <<locked>> | 98% | 40,234 psi | 73% | 3012 fps | 95.8% |
| Alliant Reloder-17 | <<locked>> | 88% | 33,185 psi | 60% | 2864 fps | 95.1% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 46,209 psi | 84% | 2923 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 36,956 psi | 67% | 2881 fps | 95% |
| Bofors RP3 | <<locked>> | 82% | 30,342 psi | 55% | 2740 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 39,726 psi | 72% | 2854 fps | 98.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 35,418 psi | 64% | 2864 fps | 97.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 38,957 psi | 71% | 2999 fps | 96.3% |
| Hodgdon H322 | <<locked>> | 80% | 42,627 psi | 77% | 2976 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 43,323 psi | 79% | 2995 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 90% | 41,466 psi | 75% | 2979 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 35,839 psi | 65% | 2848 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 34,447 psi | 63% | 2835 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 32,010 psi | 58% | 2799 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,251 psi | 46% | 1716 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 34,490 psi | 63% | 2795 fps | 96% |
| IMR 3031 | <<locked>> | 80% | 34,418 psi | 62% | 2861 fps | 99.9% |
| IMR 4064 | <<locked>> | 84% | 36,216 psi | 66% | 2822 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 44,889 psi | 81% | 2917 fps | 100% |
| IMR 4831 | <<locked>> | 98% | 37,840 psi | 69% | 2946 fps | 95.4% |
| IMR 4895 | <<locked>> | 82% | 34,490 psi | 63% | 2844 fps | 95.7% |
| IMR 8208 XBR | <<locked>> | 80% | 37,608 psi | 68% | 2854 fps | 97.7% |
| Lovex D073.5 | <<locked>> | 80% | 41,727 psi | 76% | 2940 fps | 99.3% |
| Lovex D073.6 | <<locked>> | 80% | 33,750 psi | 61% | 2812 fps | 98.4% |
| Lovex S060 | <<locked>> | 80% | 36,680 psi | 67% | 2779 fps | 96.2% |
| Lovex S062 | <<locked>> | 80% | 31,415 psi | 57% | 2717 fps | 96% |
| Lovex S065 | <<locked>> | 98% | 44,788 psi | 81% | 3009 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 34,896 psi | 63% | 2789 fps | 97.1% |
| Norma 202 | <<locked>> | 80% | 34,911 psi | 63% | 2812 fps | 99.1% |
| Norma 203B | <<locked>> | 82% | 33,141 psi | 60% | 2799 fps | 95.1% |
| Norma URP | <<locked>> | 98% | 39,784 psi | 72% | 2999 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 84% | 35,085 psi | 64% | 2861 fps | 95.4% |
| Ramshot TAC | <<locked>> | 84% | 42,917 psi | 78% | 2959 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 36,347 psi | 66% | 2861 fps | 96.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 40,872 psi | 74% | 2900 fps | 97.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,425 psi | 46% | 1759 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 42,308 psi | 77% | 2956 fps | 99.5% |
| ReloadSwiss RS 52 | 48.4 gr | 84% | 37,289 psi | 68% | 2972 fps | 95.8% |
| ReloadSwiss RS 60 | 47.9 gr | 82% | 28,979 psi | 53% | 2749 fps | 95.8% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 39,233 psi | 71% | 3015 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 38,638 psi | 70% | 2858 fps | 99.4% |
| Rottweil R 902 | <<locked>> | 80% | 33,243 psi | 60% | 2740 fps | 96.5% |
| Rottweil R 903 | <<locked>> | 86% | 32,489 psi | 59% | 2789 fps | 95.8% |
| Shooters World Long Rifle | <<locked>> | 98% | 44,788 psi | 81% | 3009 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 33,750 psi | 61% | 2812 fps | 98.4% |
| Shooters World Precision | <<locked>> | 80% | 31,415 psi | 57% | 2717 fps | 96% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 44,701 psi | 81% | 2963 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 34,185 psi | 62% | 2844 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 44,744 psi | 81% | 2966 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 40,524 psi | 74% | 2920 fps | 95.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 34,113 psi | 62% | 2795 fps | 95.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 36,738 psi | 67% | 2762 fps | 99.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 29,965 psi | 54% | 2615 fps | 98.7% |
| Somchem S321 | <<locked>> | 80% | 40,190 psi | 73% | 2940 fps | 98.6% |
| Somchem S335 | <<locked>> | 80% | 36,100 psi | 66% | 2766 fps | 99.6% |
| Somchem S341 | <<locked>> | 80% | 35,070 psi | 64% | 2805 fps | 95.6% |
| Somchem S355 | <<locked>> | 84% | 31,720 psi | 58% | 2749 fps | 95.1% |
| Somchem S365 | <<locked>> | 92% | 29,370 psi | 53% | 2762 fps | 95.3% |
| Vihtavuori N130 | <<locked>> | 80% | 41,756 psi | 76% | 2851 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 36,738 psi | 67% | 2769 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 31,894 psi | 58% | 2740 fps | 99.9% |
| Vihtavuori N140 | <<locked>> | 80% | 32,866 psi | 60% | 2740 fps | 98.9% |
| Vihtavuori N150 | <<locked>> | 82% | 28,181 psi | 51% | 2625 fps | 95.3% |
| Vihtavuori N160 | <<locked>> | 96% | 39,421 psi | 72% | 2943 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 37,420 psi | 68% | 2848 fps | 97.8% |
| Vihtavuori N540 | <<locked>> | 80% | 31,720 psi | 58% | 2726 fps | 98.3% |
| Vihtavuori N550 | <<locked>> | 96% | 38,493 psi | 70% | 2953 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 33,475 psi | 61% | 2756 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 36,216 psi | 66% | 2887 fps | 98.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 33,243 psi | 60% | 2795 fps | 95.8% |
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 103 powders for 7.5 x 55 Swiss loaded with the .308 | 135gr | Sierra HPBT MatchKing. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,255 fps; across all powders the maximum-charge window runs from 1,923 fps to 3,255 fps. Accurate 4350 gives the best case fill at 100 %, and 103 of the 103 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (380 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 135.0 gr projectile in 0.308" calls for a 1:15.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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. Alliant Power Pro 2000-MR, ReloadSwiss RS 60, ReloadSwiss RS 52 rank at the top here: for 7.5 x 55 Swiss with the .308 | 135gr | Sierra HPBT MatchKing they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2700, Alliant Reloder-23, Bofors RP7 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.