Load data for 6.5 x 65 R + .263 | 140gr | Prvi Partizan PSP

6.5 x 65 R cartridge drawing
Prvi Partizan logo

Load Specifications

Bullet Manufacturer:Prvi Partizan
Bullet Weight:140 gr
Bullet Diameter:0.263"
Bullet Length:<<locked>>
Case Length (l3):2.559"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:67 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:23.62"
Max. allowed Pressure:55,114 psi
Recommended Twist Rate:1:10.5

Load data in caliber 6.5 x 65 R with .263 | 140gr | Prvi Partizan PSP bullet and 60 powders. The key underlying parameters are shown in the table above.

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: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>92%46,978 psi85%2651 fps99.4%
Accurate 4350<<locked>>84%48,602 psi88%2690 fps100%
Accurate High Country<<locked>>90%48,008 psi87%2779 fps97%
ADI AR 2209<<locked>>90%49,516 psi90%2736 fps98.1%
ADI AR 2213<<locked>>92%47,239 psi86%2726 fps96.4%
ADI AR 2217ᴾ<<locked>>100%45,136 psi82%2680 fps96.1%
ADI AR 2225ᴾ<<locked>>100%39,987 psi73%2635 fps97.8%
Alliant Reloder-16<<locked>>86%49,661 psi90%2749 fps100%
Alliant Reloder-19<<locked>>90%49,023 psi89%2723 fps98.1%
Alliant Reloder-22<<locked>>92%46,920 psi85%2730 fps97.8%
Alliant Reloder-23<<locked>>94%47,805 psi87%2720 fps100%
Alliant Reloder-25<<locked>>98%47,210 psi86%2766 fps99.9%
Alliant Reloder-26<<locked>>90%47,137 psi86%2789 fps100%
Bofors RP15<<locked>>96%49,385 psi90%2772 fps98.2%
Bofors RP30ᴾ<<locked>>100%46,296 psi84%2749 fps97%
Bofors RP5<<locked>>92%46,920 psi85%2730 fps97.8%
Bofors RP7<<locked>>82%48,515 psi88%2638 fps98.7%
Hodgdon H1000ᴾ<<locked>>100%49,530 psi90%2766 fps97.9%
Hodgdon H414<<locked>>82%47,239 psi86%2684 fps98.9%
Hodgdon H4831 SC<<locked>>92%49,530 psi90%2713 fps96.3%
Hodgdon Hybrid 100V<<locked>>88%49,806 psi90%2677 fps100%
Hodgdon Retumboᴾ<<locked>>100%49,342 psi90%2871 fps99.1%
Hodgdon Superformance<<locked>>82%46,441 psi84%2703 fps98.6%
Hodgdon TrailBossᴾ<<locked>>100%36,782 psi67%1726 fps100%
IMR 4350<<locked>>86%49,632 psi90%2677 fps98.9%
IMR 4831<<locked>>86%49,255 psi89%2687 fps100%
IMR 4955 Enduron<<locked>>90%49,066 psi89%2671 fps96.4%
IMR 7828 SSC<<locked>>94%48,414 psi88%2762 fps96.9%
Lovex S065<<locked>>82%47,442 psi86%2618 fps99.6%
Lovex S070<<locked>>84%48,660 psi88%2657 fps99.2%
Lovex S071<<locked>>98%48,109 psi87%2671 fps99.6%
Norma 204<<locked>>84%46,789 psi85%2664 fps97.4%
Norma MRP<<locked>>92%49,777 psi90%2805 fps99.3%
Norma URP<<locked>>84%47,659 psi86%2677 fps100%
Ramshot Grand<<locked>>94%48,544 psi88%2776 fps97.3%
Ramshot Hunter<<locked>>86%49,676 psi90%2730 fps99.7%
Ramshot Magnum<<locked>>96%46,456 psi84%2710 fps98.4%
ReloadSwiss RS 14ᴾ<<locked>>100%37,666 psi68%1768 fps100%
ReloadSwiss RS 62<<locked>>84%48,370 psi88%2710 fps100%
ReloadSwiss RS 70<<locked>>84%46,586 psi85%2726 fps99.9%
ReloadSwiss RS 76ᴾ<<locked>>100%49,487 psi90%2867 fps99.7%
Rottweil R 904<<locked>>88%47,703 psi87%2651 fps96.7%
Rottweil R 905<<locked>>90%48,283 psi88%2710 fps98.1%
Rottweil R 907<<locked>>82%48,515 psi88%2638 fps98.7%
Shooters World Long Rifle<<locked>>82%47,442 psi86%2618 fps99.6%
Shooters World SW4350<<locked>>84%48,660 psi88%2657 fps99.2%
SNPE Vectan Tubal 7000<<locked>>84%49,617 psi90%2618 fps99.2%
SNPE Vectan Tubal 8000<<locked>>90%47,877 psi87%2707 fps98%
Somchem S361<<locked>>88%48,878 psi89%2648 fps96.2%
Somchem S365<<locked>>86%47,166 psi86%2680 fps100%
Somchem S385<<locked>>90%49,110 psi89%2694 fps98.8%
Vihtavuori N160<<locked>>84%49,269 psi89%2671 fps100%
Vihtavuori N165<<locked>>94%48,254 psi88%2671 fps98.4%
Vihtavuori N550<<locked>>84%48,515 psi88%2674 fps100%
Vihtavuori N555<<locked>>90%46,847 psi85%2694 fps100%
Vihtavuori N565<<locked>>98%49,385 psi90%2772 fps96.9%
Winchester 6.5 StaBALL<<locked>>84%48,254 psi88%2635 fps100%
Winchester 760<<locked>>82%47,239 psi86%2684 fps98.9%
Winchester StaBALL HD<<locked>>96%47,224 psi86%2835 fps100%
Winchester Supreme 780<<locked>>92%48,544 psi88%2680 fps97.9%

Start Load - Barrel Length: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 3100<<locked>>80%31,488 psi57%2329 fps95.6%
Accurate 4350<<locked>>80%42,511 psi77%2582 fps99.7%
Accurate High Country<<locked>>86%41,800 psi76%2657 fps95.2%
ADI AR 2209<<locked>>84%40,466 psi73%2562 fps95.9%
ADI AR 2213<<locked>>90%44,237 psi80%2667 fps95.5%
ADI AR 2217<<locked>>98%42,264 psi77%2618 fps95.1%
ADI AR 2225<<locked>>96%35,288 psi64%2520 fps95.9%
Alliant Reloder-16<<locked>>80%40,741 psi74%2585 fps99.7%
Alliant Reloder-19<<locked>>82%37,942 psi69%2503 fps95.1%
Alliant Reloder-22<<locked>>86%38,319 psi70%2552 fps95.3%
Alliant Reloder-23<<locked>>80%30,211 psi55%2356 fps98.6%
Alliant Reloder-25<<locked>>84%30,023 psi54%2369 fps95.4%
Alliant Reloder-26<<locked>>80%32,590 psi59%2477 fps97.5%
Bofors RP15<<locked>>88%38,058 psi69%2546 fps95.1%
Bofors RP30<<locked>>96%40,495 psi73%2631 fps95.2%
Bofors RP5<<locked>>86%38,319 psi70%2552 fps95.3%
Bofors RP7<<locked>>80%45,527 psi83%2585 fps98.2%
Hodgdon H1000<<locked>>94%40,640 psi74%2589 fps95.3%
Hodgdon H414<<locked>>80%44,063 psi80%2625 fps98.4%
Hodgdon H4831 SC<<locked>>90%46,412 psi84%2657 fps95.5%
Hodgdon Hybrid 100V<<locked>>80%38,363 psi70%2477 fps99.9%
Hodgdon Retumbo<<locked>>92%37,942 psi69%2618 fps95.7%
Hodgdon Superformance<<locked>>80%43,207 psi78%2641 fps98%
Hodgdon TrailBoss<<locked>>80%27,630 psi50%1542 fps100%
IMR 4350<<locked>>80%41,089 psi75%2516 fps97.2%
IMR 4831<<locked>>80%40,538 psi74%2530 fps99.5%
IMR 4955 Enduron<<locked>>88%45,847 psi83%2612 fps95.6%
IMR 7828 SSC<<locked>>90%42,206 psi77%2638 fps95%
Lovex S065<<locked>>80%44,599 psi81%2566 fps99.3%
Lovex S070<<locked>>80%42,931 psi78%2552 fps98.3%
Lovex S071<<locked>>84%30,893 psi56%2316 fps95.3%
Norma 204<<locked>>80%40,814 psi74%2546 fps95.8%
Norma MRP<<locked>>82%35,099 psi64%2507 fps95.7%
Norma URP<<locked>>80%41,814 psi76%2569 fps99.6%
Ramshot Grand<<locked>>90%42,148 psi76%2648 fps95.4%
Ramshot Hunter<<locked>>80%40,538 psi74%2559 fps98.3%
Ramshot Magnum<<locked>>90%37,434 psi68%2530 fps95.8%
ReloadSwiss RS 14<<locked>>80%28,239 psi51%1578 fps100%
ReloadSwiss RS 62<<locked>>80%42,221 psi77%2598 fps99.5%
ReloadSwiss RS 70<<locked>>80%40,640 psi74%2612 fps99.3%
ReloadSwiss RS 76<<locked>>90%34,722 psi63%2533 fps95.4%
Rottweil R 904<<locked>>84%41,959 psi76%2543 fps95.1%
Rottweil R 905<<locked>>82%37,028 psi67%2487 fps95%
Rottweil R 907<<locked>>80%45,527 psi83%2585 fps98.2%
Shooters World Long Rifle<<locked>>80%44,599 psi81%2566 fps99.3%
Shooters World SW4350<<locked>>80%42,931 psi78%2552 fps98.3%
SNPE Vectan Tubal 7000<<locked>>80%43,685 psi79%2513 fps98.3%
SNPE Vectan Tubal 8000<<locked>>84%39,262 psi71%2536 fps95.7%
Somchem S361<<locked>>86%45,716 psi83%2589 fps95.3%
Somchem S365<<locked>>80%38,435 psi70%2530 fps100%
Somchem S385<<locked>>80%35,433 psi64%2421 fps95.3%
Vihtavuori N160<<locked>>80%43,279 psi79%2569 fps99.7%
Vihtavuori N165<<locked>>86%37,202 psi68%2457 fps95.6%
Vihtavuori N550<<locked>>80%42,496 psi77%2566 fps99.5%
Vihtavuori N555<<locked>>80%33,823 psi61%2431 fps98.6%
Vihtavuori N565<<locked>>94%43,076 psi78%2657 fps95.2%
Winchester 6.5 StaBALL<<locked>>80%42,250 psi77%2536 fps100%
Winchester 760<<locked>>80%44,309 psi80%2628 fps98.4%
Winchester StaBALL HD<<locked>>80%26,716 psi48%2349 fps98.3%
Winchester Supreme 780<<locked>>86%39,508 psi72%2510 fps95.6%

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 68 powders for 6.5 x 65 R loaded with the .263 | 140gr | Prvi Partizan PSP. Hodgdon Retumbo delivers the highest muzzle velocity at 2,871 fps; across all powders the maximum-charge window runs from 1,726 fps to 2,871 fps. ADI AR 2217 gives the best case fill at 100 %, and 68 of the 68 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (380 MPa), the top charges use 64–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.263" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Bofors RP30 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. As outliers, Baschieri & Pellagri 109, IMR 8133 Enduron, ReloadSwiss RS 80 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.

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