Load data for 7.62 x 53 R Fin. + .308 | 200gr | Speer Grand Slam

7.62 x 53 R Fin. cartridge drawing
Speer logo

Load Specifications

Bullet Manufacturer:Speer
Bullet Weight:200 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.106"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:64 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:27"
Max. allowed Pressure:56,565 psi
Recommended Twist Rate:1:14.5

Load data in caliber 7.62 x 53 R Fin. with .308 | 200gr | Speer Grand Slam bullet and 94 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.

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: 27"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>82%50,502 psi89%2431 fps100%
Accurate 2495<<locked>>86%48,747 psi86%2457 fps100%
Accurate 2520<<locked>>82%50,444 psi89%2516 fps100%
Accurate 2700<<locked>>86%48,312 psi85%2457 fps96.8%
Accurate 3100ᴾ<<locked>>100%39,001 psi69%2415 fps96.8%
Accurate 4064<<locked>>88%49,052 psi87%2507 fps100%
Accurate 4350<<locked>>98%51,097 psi90%2621 fps99.8%
ADI AR 2206H<<locked>>84%49,690 psi88%2530 fps100%
ADI AR 2208<<locked>>90%50,473 psi89%2530 fps99.9%
ADI Benchmark 8208<<locked>>82%48,747 psi86%2484 fps100%
Alliant AR-Comp<<locked>>82%49,139 psi87%2461 fps100%
Alliant Power Pro 2000-MR<<locked>>86%48,660 psi86%2635 fps99.9%
Alliant Reloder- TS 15.5<<locked>>90%50,212 psi89%2549 fps100%
Alliant Reloder-15<<locked>>88%50,981 psi90%2572 fps100%
Alliant Reloder-16<<locked>>98%49,719 psi88%2631 fps99.9%
Alliant Reloder-17<<locked>>94%50,227 psi89%2661 fps100%
Alliant Reloder-23ᴾ<<locked>>100%37,608 psi66%2448 fps99.4%
Alliant Reloder-26ᴾ<<locked>>100%41,684 psi74%2592 fps98.7%
Baschieri & Pellagri 107<<locked>>84%48,892 psi86%2543 fps99.7%
Bofors RP3<<locked>>90%50,415 psi89%2562 fps100%
Bofors RP7<<locked>>94%50,981 psi90%2536 fps97.7%
Hodgdon Benchmark<<locked>>82%50,734 psi90%2470 fps100%
Hodgdon BL-C2<<locked>>84%50,734 psi90%2556 fps100%
Hodgdon H380<<locked>>88%48,399 psi86%2530 fps99.3%
Hodgdon H414<<locked>>96%50,807 psi90%2625 fps98.3%
Hodgdon H4350<<locked>>92%48,675 psi86%2539 fps96.6%
Hodgdon H4895<<locked>>84%50,198 psi89%2539 fps100%
Hodgdon Hybrid 100Vᴾ<<locked>>100%49,168 psi87%2562 fps100%
Hodgdon LEVERevolution<<locked>>86%48,878 psi86%2569 fps100%
Hodgdon Superformance<<locked>>94%47,761 psi84%2602 fps97.3%
Hodgdon TrailBossᴾ<<locked>>100%35,404 psi63%1545 fps100%
Hodgdon VARGET<<locked>>84%48,022 psi85%2493 fps100%
IMR 3031<<locked>>84%49,908 psi88%2520 fps100%
IMR 4064<<locked>>88%50,053 psi88%2513 fps99.9%
IMR 4166 Enduron<<locked>>86%50,241 psi89%2497 fps98%
IMR 4350<<locked>>98%50,865 psi90%2559 fps97.7%
IMR 4451 Enduron<<locked>>92%49,821 psi88%2523 fps97.9%
IMR 4831<<locked>>98%48,675 psi86%2572 fps99.7%
IMR 4895<<locked>>86%48,921 psi86%2549 fps100%
IMR 8208 XBR<<locked>>82%48,747 psi86%2484 fps100%
Lovex D073.6<<locked>>84%48,863 psi86%2507 fps100%
Lovex S060<<locked>>84%49,647 psi88%2467 fps100%
Lovex S062<<locked>>88%49,864 psi88%2513 fps100%
Lovex S065<<locked>>94%48,936 psi87%2513 fps98.9%
Lovex S070<<locked>>96%49,588 psi88%2546 fps98.2%
Norma 201<<locked>>84%48,544 psi86%2480 fps100%
Norma 202<<locked>>84%48,791 psi86%2480 fps100%
Norma 203B<<locked>>88%50,212 psi89%2562 fps100%
Norma 204<<locked>>96%47,964 psi85%2552 fps95.8%
Norma MRPᴾ<<locked>>100%42,032 psi74%2556 fps96.3%
Norma URP<<locked>>98%50,676 psi90%2618 fps99.8%
Ramshot Big Game<<locked>>88%50,227 psi89%2582 fps100%
Ramshot Hunter<<locked>>98%49,385 psi87%2612 fps98.8%
Ramshot TAC<<locked>>82%48,733 psi86%2500 fps98.9%
Ramshot Wild Boar<<locked>>82%48,269 psi85%2520 fps99.9%
ReloadSwiss RS 14ᴾ<<locked>>100%36,027 psi64%1585 fps100%
ReloadSwiss RS 50<<locked>>88%48,646 psi86%2510 fps98.3%
ReloadSwiss RS 52<<locked>>86%50,908 psi90%2628 fps100%
ReloadSwiss RS 60<<locked>>92%50,154 psi89%2661 fps100%
ReloadSwiss RS 62<<locked>>98%50,763 psi90%2648 fps99.7%
ReloadSwiss RS 70<<locked>>98%50,821 psi90%2674 fps99.6%
Rottweil R 901<<locked>>82%49,893 psi88%2464 fps100%
Rottweil R 902<<locked>>86%49,095 psi87%2480 fps100%
Rottweil R 903<<locked>>92%50,314 psi89%2556 fps100%
Rottweil R 907<<locked>>94%50,981 psi90%2536 fps97.7%
Shooters World Long Rifle<<locked>>94%48,936 psi87%2513 fps98.9%
Shooters World Match Rifle<<locked>>84%48,863 psi86%2507 fps100%
Shooters World Precision<<locked>>88%49,864 psi88%2513 fps100%
Shooters World SW4350<<locked>>96%49,588 psi88%2546 fps98.2%
SNPE Vectan SP 11<<locked>>90%48,820 psi86%2569 fps100%
SNPE Vectan SP 7<<locked>>84%50,343 psi89%2530 fps99.4%
SNPE Vectan SP 9<<locked>>86%51,169 psi90%2552 fps100%
SNPE Vectan Tubal 3000<<locked>>84%50,227 psi89%2425 fps100%
SNPE Vectan Tubal 5000<<locked>>90%49,922 psi88%2425 fps100%
SNPE Vectan Tubal 7000<<locked>>94%48,936 psi87%2470 fps97.8%
Somchem S335<<locked>>84%49,501 psi88%2425 fps100%
Somchem S341<<locked>>84%49,806 psi88%2520 fps100%
Somchem S355<<locked>>92%50,894 psi90%2556 fps100%
Somchem S365ᴾ<<locked>>100%48,327 psi85%2615 fps100%
Somchem S385ᴾ<<locked>>100%44,904 psi79%2507 fps96.5%
Vihtavuori N133<<locked>>84%50,488 psi89%2411 fps100%
Vihtavuori N135<<locked>>86%48,747 psi86%2448 fps100%
Vihtavuori N140<<locked>>86%49,284 psi87%2461 fps100%
Vihtavuori N150<<locked>>92%48,849 psi86%2490 fps100%
Vihtavuori N160<<locked>>96%49,792 psi88%2562 fps99.6%
Vihtavuori N530<<locked>>82%49,023 psi87%2484 fps100%
Vihtavuori N540<<locked>>88%50,749 psi90%2507 fps100%
Vihtavuori N550<<locked>>96%48,892 psi86%2572 fps99.5%
Vihtavuori N555ᴾ<<locked>>100%40,756 psi72%2513 fps99.3%
Winchester 6.5 StaBALL<<locked>>96%49,908 psi88%2543 fps100%
Winchester 748<<locked>>82%48,501 psi86%2523 fps100%
Winchester 760<<locked>>96%50,807 psi90%2625 fps98.3%
Winchester StaBALL HDᴾ<<locked>>100%33,634 psi59%2454 fps99.4%
Winchester StaBALL Match<<locked>>86%50,894 psi90%2559 fps100%

Recommended = one of the top powders for this cartridge and bullet combination.

Start Load - Barrel Length: 27"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%47,514 psi84%2392 fps100%
Accurate 2495<<locked>>80%40,103 psi71%2333 fps100%
Accurate 2520<<locked>>80%46,891 psi83%2467 fps100%
Accurate 2700<<locked>>82%42,438 psi75%2359 fps95.4%
Accurate 3100<<locked>>96%34,040 psi60%2320 fps95.2%
Accurate 4064<<locked>>80%37,956 psi67%2333 fps100%
Accurate 4350<<locked>>82%29,559 psi52%2228 fps95.5%
ADI AR 2206H<<locked>>80%43,859 psi78%2438 fps99.7%
ADI AR 2208<<locked>>80%37,217 psi66%2303 fps98.3%
ADI Benchmark 8208<<locked>>80%45,919 psi81%2441 fps100%
Alliant AR-Comp<<locked>>80%46,050 psi81%2418 fps100%
Alliant Power Pro 2000-MR<<locked>>80%39,624 psi70%2470 fps98.8%
Alliant Reloder- TS 15.5<<locked>>80%36,854 psi65%2326 fps99.4%
Alliant Reloder-15<<locked>>80%39,624 psi70%2385 fps98.9%
Alliant Reloder-16<<locked>>82%30,545 psi54%2244 fps95.7%
Alliant Reloder-1744.1 gr80%31,662 psi56%2303 fps98%
Alliant Reloder-23<<locked>>88%26,353 psi47%2162 fps95.4%
Alliant Reloder-26<<locked>>92%31,778 psi56%2365 fps95.4%
Baschieri & Pellagri 107<<locked>>80%42,931 psi76%2444 fps99.1%
Bofors RP3<<locked>>80%36,318 psi64%2329 fps99.4%
Bofors RP7<<locked>>86%39,943 psi71%2352 fps95.1%
Hodgdon Benchmark<<locked>>80%47,543 psi84%2425 fps100%
Hodgdon BL-C2<<locked>>80%44,469 psi79%2464 fps100%
Hodgdon H380<<locked>>80%37,289 psi66%2336 fps97.4%
Hodgdon H414<<locked>>88%39,175 psi69%2425 fps95.7%
Hodgdon H4350<<locked>>88%42,960 psi76%2444 fps95.2%
Hodgdon H4895<<locked>>80%44,295 psi78%2448 fps99.9%
Hodgdon Hybrid 100V<<locked>>80%26,237 psi46%2106 fps95.7%
Hodgdon LEVERevolution<<locked>>80%39,958 psi71%2425 fps99.8%
Hodgdon Superformance52.5 gr90%41,640 psi74%2490 fps95.7%
Hodgdon TrailBoss<<locked>>80%26,469 psi47%1381 fps100%
Hodgdon VARGET<<locked>>80%42,337 psi75%2402 fps99.7%
IMR 3031<<locked>>80%43,671 psi77%2434 fps100%
IMR 4064<<locked>>80%39,044 psi69%2333 fps98.8%
IMR 4166 Enduron<<locked>>80%41,640 psi74%2352 fps96.1%
IMR 4350<<locked>>90%39,943 psi71%2379 fps95.1%
IMR 4451 Enduron<<locked>>84%38,957 psi69%2333 fps95.3%
IMR 4831<<locked>>82%28,921 psi51%2192 fps95.2%
IMR 4895<<locked>>80%40,567 psi72%2411 fps99.4%
IMR 8208 XBR<<locked>>80%45,919 psi81%2441 fps100%
Lovex D073.6<<locked>>80%42,670 psi75%2415 fps100%
Lovex S060<<locked>>80%43,874 psi78%2375 fps99.7%
Lovex S062<<locked>>80%38,972 psi69%2336 fps99.8%
Lovex S065<<locked>>82%34,113 psi60%2244 fps95.4%
Lovex S070<<locked>>88%38,885 psi69%2362 fps95.8%
Norma 201<<locked>>80%42,801 psi76%2392 fps100%
Norma 202<<locked>>80%43,236 psi76%2398 fps100%
Norma 203B<<locked>>80%39,015 psi69%2375 fps99.2%
Norma 204<<locked>>94%44,846 psi79%2500 fps95%
Norma MRP<<locked>>98%39,349 psi70%2500 fps95.4%
Norma URP<<locked>>82%30,211 psi53%2231 fps95.5%
Ramshot Big Game<<locked>>80%38,290 psi68%2385 fps99%
Ramshot Hunter<<locked>>88%35,940 psi64%2365 fps95.6%
Ramshot TAC<<locked>>80%45,484 psi80%2448 fps98.5%
Ramshot Wild Boar<<locked>>80%44,991 psi80%2467 fps99.8%
ReloadSwiss RS 14<<locked>>80%26,629 psi47%1411 fps100%
ReloadSwiss RS 50<<locked>>80%37,565 psi66%2316 fps95.7%
ReloadSwiss RS 52<<locked>>80%41,263 psi73%2474 fps99.2%
ReloadSwiss RS 60<<locked>>80%33,721 psi60%2362 fps99.9%
ReloadSwiss RS 62<<locked>>84%31,604 psi56%2297 fps95.8%
ReloadSwiss RS 7048.2 gr86%34,127 psi60%2352 fps95.8%
Rottweil R 901<<locked>>80%47,021 psi83%2425 fps100%
Rottweil R 902<<locked>>80%40,741 psi72%2346 fps99.9%
Rottweil R 903<<locked>>80%34,214 psi60%2280 fps98.8%
Rottweil R 907<<locked>>86%39,943 psi71%2352 fps95.1%
Shooters World Long Rifle<<locked>>82%34,113 psi60%2244 fps95.4%
Shooters World Match Rifle<<locked>>80%42,670 psi75%2415 fps100%
Shooters World Precision<<locked>>80%38,972 psi69%2336 fps99.8%
Shooters World SW4350<<locked>>88%38,885 psi69%2362 fps95.8%
SNPE Vectan SP 11<<locked>>80%35,070 psi62%2326 fps98.4%
SNPE Vectan SP 7<<locked>>80%43,816 psi77%2428 fps98.6%
SNPE Vectan SP 9<<locked>>80%42,163 psi75%2408 fps99.5%
SNPE Vectan Tubal 3000<<locked>>80%44,396 psi78%2343 fps100%
SNPE Vectan Tubal 5000<<locked>>80%36,883 psi65%2228 fps100%
SNPE Vectan Tubal 7000<<locked>>86%37,724 psi67%2283 fps95.1%
Somchem S335<<locked>>80%43,758 psi77%2343 fps100%
Somchem S341<<locked>>80%43,714 psi77%2425 fps99.6%
Somchem S355<<locked>>80%35,027 psi62%2283 fps98.8%
Somchem S365<<locked>>80%25,425 psi45%2139 fps96.9%
Somchem S385<<locked>>96%39,494 psi70%2411 fps95%
Vihtavuori N133<<locked>>80%44,701 psi79%2333 fps100%
Vihtavuori N135<<locked>>80%40,350 psi71%2329 fps100%
Vihtavuori N140<<locked>>80%40,843 psi72%2339 fps100%
Vihtavuori N150<<locked>>80%33,330 psi59%2228 fps99.3%
Vihtavuori N160<<locked>>80%29,762 psi53%2188 fps95.1%
Vihtavuori N530<<locked>>80%45,832 psi81%2434 fps100%
Vihtavuori N540<<locked>>80%39,363 psi70%2336 fps100%
Vihtavuori N550<<locked>>82%30,951 psi55%2234 fps95.5%
Vihtavuori N555<<locked>>88%27,934 psi49%2228 fps95.5%
Winchester 6.5 StaBALL<<locked>>80%29,646 psi52%2165 fps97.3%
Winchester 748<<locked>>80%45,339 psi80%2477 fps100%
Winchester 760<<locked>>88%39,175 psi69%2425 fps95.7%
Winchester StaBALL HD<<locked>>92%26,136 psi46%2224 fps95.6%
Winchester StaBALL Match<<locked>>80%41,524 psi73%2415 fps99.7%

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.

<<locked>> you need an access license to unlock this data.

This overview compares 94 powders for 7.62 x 53 R Fin. loaded with the .308 | 200gr | Speer Grand Slam. ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,674 fps; across all powders the maximum-charge window runs from 1,545 fps to 2,674 fps. Accurate 3100 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (390 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.308" calls for a 1:14.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-23, Alliant Reloder-26 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 70, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 7.62 x 53 R Fin. with the .308 | 200gr | Speer Grand Slam 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.

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