Load data for .224 Valkyrie + .224 | 75gr | Swift Scirocco

.224 Valkyrie cartridge drawing
Swift logo

Load Specifications

Bullet Manufacturer:Swift
Bullet Weight:75 gr
Bullet Diameter:0.224"
Bullet Length:<<locked>>
Case Length (l3):1.6"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:31.5 Grains of Water
Primer Size:Small Rifle (SR)
Barrel Length:24"
Max. allowed Pressure:55,000 psi
Recommended Twist Rate:1:8.0

Load data in caliber .224 Valkyrie with .224 | 75gr | Swift Scirocco bullet and 146 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 1200-R, IMR 3031 and Winchester 748.

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.

A valid access license is required to use the Personalized Load Calculator.

You can find more information in our FAQ: How can I use the Personalized Load Calculator?

Max Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>92%47,572 psi86%2749 fps100%
Accurate 2015<<locked>>92%47,572 psi86%2749 fps100%
Accurate 2230<<locked>>84%48,515 psi88%2815 fps95.8%
Accurate 2230<<locked>>84%48,515 psi88%2815 fps95.8%
Accurate 2460<<locked>>90%49,037 psi89%2805 fps99.4%
Accurate 2460<<locked>>90%49,037 psi89%2805 fps99.4%
Accurate 2495ᴾ<<locked>>100%48,762 psi89%2831 fps100%
Accurate 2495ᴾ<<locked>>100%48,762 psi89%2831 fps100%
Accurate 2520<<locked>>92%46,166 psi84%2799 fps98.8%
Accurate 2520<<locked>>92%46,166 psi84%2799 fps98.8%
Accurate 4064ᴾ<<locked>>100%45,252 psi82%2805 fps99.4%
Accurate 4064ᴾ<<locked>>100%45,252 psi82%2805 fps99.4%
Accurate LT-30<<locked>>86%49,603 psi90%2710 fps99.9%
Accurate LT-30<<locked>>86%49,603 psi90%2710 fps99.9%
Accurate LT-32<<locked>>84%46,978 psi85%2674 fps98.8%
Accurate LT-32<<locked>>84%46,978 psi85%2674 fps98.8%
ADI AR 2206H<<locked>>96%49,734 psi90%2851 fps96.7%
ADI AR 2206H<<locked>>96%49,734 psi90%2851 fps96.7%
ADI AR 2207<<locked>>82%47,311 psi86%2707 fps100%
ADI AR 2207<<locked>>82%47,311 psi86%2707 fps100%
ADI AR 2219<<locked>>86%48,240 psi88%2815 fps99.8%
ADI AR 2219<<locked>>86%48,240 psi88%2815 fps99.8%
ADI Benchmark 8208<<locked>>94%49,516 psi90%2818 fps97.8%
ADI Benchmark 8208<<locked>>94%49,516 psi90%2818 fps97.8%
Alliant AR-Comp<<locked>>94%46,978 psi85%2822 fps100%
Alliant AR-Comp<<locked>>94%46,978 psi85%2822 fps100%
Alliant Power Pro 1200-R<<locked>>88%46,862 psi85%2861 fps96.8%
Alliant Power Pro 1200-R<<locked>>88%46,862 psi85%2861 fps96.8%
Alliant Reloder- TS 15.5ᴾ<<locked>>100%45,585 psi83%2805 fps96.9%
Alliant Reloder- TS 15.5ᴾ<<locked>>100%45,585 psi83%2805 fps96.9%
Alliant Reloder-10x<<locked>>88%48,211 psi88%2776 fps100%
Alliant Reloder-10x<<locked>>88%48,211 psi88%2776 fps100%
Alliant Reloder-7<<locked>>82%48,124 psi87%2713 fps100%
Alliant Reloder-7<<locked>>82%48,124 psi87%2713 fps100%
Baschieri & Pellagri 106<<locked>>86%48,080 psi87%2703 fps99.9%
Baschieri & Pellagri 106<<locked>>86%48,080 psi87%2703 fps99.9%
Bofors RP3ᴾ<<locked>>100%45,353 psi82%2812 fps96.9%
Bofors RP3ᴾ<<locked>>100%45,353 psi82%2812 fps96.9%
Hodgdon Benchmark<<locked>>92%49,676 psi90%2776 fps98.4%
Hodgdon Benchmark<<locked>>92%49,676 psi90%2776 fps98.4%
Hodgdon BL-C2<<locked>>94%47,036 psi86%2835 fps98%
Hodgdon BL-C2<<locked>>94%47,036 psi86%2835 fps98%
Hodgdon H322<<locked>>88%46,992 psi85%2795 fps99.7%
Hodgdon H322<<locked>>88%46,992 psi85%2795 fps99.7%
Hodgdon H335<<locked>>88%47,834 psi87%2812 fps99.4%
Hodgdon H335<<locked>>88%47,834 psi87%2812 fps99.4%
Hodgdon H4198<<locked>>82%48,791 psi89%2717 fps99.7%
Hodgdon H4198<<locked>>82%48,791 psi89%2717 fps99.7%
Hodgdon H4895<<locked>>94%46,978 psi85%2812 fps96.7%
Hodgdon H4895<<locked>>94%46,978 psi85%2812 fps96.7%
Hodgdon LEVERevolution<<locked>>98%48,138 psi88%2881 fps97.4%
Hodgdon LEVERevolution<<locked>>98%48,138 psi88%2881 fps97.4%
Hodgdon TrailBossᴾ<<locked>>100%33,272 psi60%1722 fps100%
Hodgdon TrailBossᴾ<<locked>>100%33,272 psi60%1722 fps100%
Hodgdon VARGET<<locked>>96%48,501 psi88%2815 fps96.9%
Hodgdon VARGET<<locked>>96%48,501 psi88%2815 fps96.9%
IMR 3031<<locked>>96%47,892 psi87%2871 fps100%
IMR 3031<<locked>>96%47,892 psi87%2871 fps100%
IMR 4198<<locked>>88%48,936 psi89%2740 fps100%
IMR 4198<<locked>>88%48,936 psi89%2740 fps100%
IMR 4895<<locked>>98%47,906 psi87%2858 fps96.4%
IMR 4895<<locked>>98%47,906 psi87%2858 fps96.4%
IMR 8208 XBR<<locked>>94%49,516 psi90%2818 fps97.8%
IMR 8208 XBR<<locked>>94%49,516 psi90%2818 fps97.8%
Lovex D073.4<<locked>>84%49,400 psi90%2818 fps99%
Lovex D073.4<<locked>>84%49,400 psi90%2818 fps99%
Lovex D073.5<<locked>>90%48,936 psi89%2805 fps98.5%
Lovex D073.5<<locked>>90%48,936 psi89%2805 fps98.5%
Lovex D073.6<<locked>>96%47,239 psi86%2828 fps98.9%
Lovex D073.6<<locked>>96%47,239 psi86%2828 fps98.9%
Lovex S060<<locked>>94%48,443 psi88%2746 fps96.3%
Lovex S060<<locked>>94%48,443 psi88%2746 fps96.3%
Lovex S062ᴾ<<locked>>100%48,747 psi89%2822 fps97.9%
Lovex S062ᴾ<<locked>>100%48,747 psi89%2822 fps97.9%
Norma 200<<locked>>84%48,399 psi88%2753 fps100%
Norma 200<<locked>>84%48,399 psi88%2753 fps100%
Norma 201<<locked>>96%48,631 psi88%2805 fps97.8%
Norma 201<<locked>>96%48,631 psi88%2805 fps97.8%
Norma 202<<locked>>96%48,443 psi88%2822 fps99.5%
Norma 202<<locked>>96%48,443 psi88%2822 fps99.5%
Norma 203Bᴾ<<locked>>100%48,965 psi89%2864 fps96.6%
Norma 203Bᴾ<<locked>>100%48,965 psi89%2864 fps96.6%
Ramshot Big Gameᴾ<<locked>>100%49,501 psi90%2877 fps96.2%
Ramshot Big Gameᴾ<<locked>>100%49,501 psi90%2877 fps96.2%
Ramshot Wild Boar<<locked>>94%48,631 psi88%2835 fps96.3%
Ramshot Wild Boar<<locked>>94%48,631 psi88%2835 fps96.3%
Ramshot X-Terminator<<locked>>90%48,167 psi88%2766 fps96%
Ramshot X-Terminator<<locked>>90%48,167 psi88%2766 fps96%
ReloadSwiss RS 14ᴾ<<locked>>100%32,996 psi60%1755 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%32,996 psi60%1755 fps100%
ReloadSwiss RS 40<<locked>>90%49,342 psi90%2815 fps98.9%
ReloadSwiss RS 40<<locked>>90%49,342 psi90%2815 fps98.9%
ReloadSwiss RS 52<<locked>>98%49,095 psi89%2930 fps95.9%
ReloadSwiss RS 52<<locked>>98%49,095 psi89%2930 fps95.9%
ReloadSwiss RS 60ᴾ<<locked>>100%43,685 psi79%2838 fps97.8%
ReloadSwiss RS 60ᴾ<<locked>>100%43,685 psi79%2838 fps97.8%
Rottweil R 901<<locked>>94%49,530 psi90%2805 fps99.4%
Rottweil R 901<<locked>>94%49,530 psi90%2805 fps99.4%
Rottweil R 902<<locked>>98%48,544 psi88%2792 fps97.7%
Rottweil R 902<<locked>>98%48,544 psi88%2792 fps97.7%
Shooters World AR Plus<<locked>>84%49,400 psi90%2818 fps99%
Shooters World AR Plus<<locked>>84%49,400 psi90%2818 fps99%
Shooters World Match Rifle<<locked>>96%47,239 psi86%2828 fps98.9%
Shooters World Match Rifle<<locked>>96%47,239 psi86%2828 fps98.9%
Shooters World Precisionᴾ<<locked>>100%48,747 psi89%2822 fps97.9%
Shooters World Precisionᴾ<<locked>>100%48,747 psi89%2822 fps97.9%
Shooters World Tactical Rifle<<locked>>86%46,702 psi85%2726 fps96.9%
Shooters World Tactical Rifle<<locked>>86%46,702 psi85%2726 fps96.9%
SNPE Vectan BA6 1/2<<locked>>82%48,385 psi88%2467 fps100%
SNPE Vectan BA6 1/2<<locked>>82%48,385 psi88%2467 fps100%
SNPE Vectan SP 10<<locked>>86%48,965 psi89%2825 fps99.4%
SNPE Vectan SP 10<<locked>>86%48,965 psi89%2825 fps99.4%
SNPE Vectan SP 3<<locked>>88%48,849 psi89%2782 fps100%
SNPE Vectan SP 3<<locked>>88%48,849 psi89%2782 fps100%
SNPE Vectan SP 9<<locked>>96%48,254 psi88%2818 fps96.3%
SNPE Vectan SP 9<<locked>>96%48,254 psi88%2818 fps96.3%
SNPE Vectan Tubal 3000<<locked>>94%48,283 psi88%2723 fps99.3%
SNPE Vectan Tubal 3000<<locked>>94%48,283 psi88%2723 fps99.3%
SNPE Vectan Tubal 5000ᴾ<<locked>>100%46,920 psi85%2713 fps99.7%
SNPE Vectan Tubal 5000ᴾ<<locked>>100%46,920 psi85%2713 fps99.7%
Somchem S321<<locked>>90%47,123 psi86%2802 fps97.7%
Somchem S321<<locked>>90%47,123 psi86%2802 fps97.7%
Somchem S335<<locked>>94%47,224 psi86%2726 fps99.7%
Somchem S335<<locked>>94%47,224 psi86%2726 fps99.7%
Somchem S355ᴾ<<locked>>100%43,047 psi78%2743 fps95.7%
Somchem S355ᴾ<<locked>>100%43,047 psi78%2743 fps95.7%
Vihtavuori N120<<locked>>82%47,369 psi86%2661 fps100%
Vihtavuori N120<<locked>>82%47,369 psi86%2661 fps100%
Vihtavuori N130<<locked>>90%48,559 psi88%2723 fps100%
Vihtavuori N130<<locked>>90%48,559 psi88%2723 fps100%
Vihtavuori N133<<locked>>94%47,790 psi87%2723 fps100%
Vihtavuori N133<<locked>>94%47,790 psi87%2723 fps100%
Vihtavuori N135ᴾ<<locked>>100%49,414 psi90%2831 fps100%
Vihtavuori N135ᴾ<<locked>>100%49,414 psi90%2831 fps100%
Vihtavuori N140<<locked>>98%48,689 psi89%2799 fps99.6%
Vihtavuori N140<<locked>>98%48,689 psi89%2799 fps99.6%
Vihtavuori N150ᴾ<<locked>>100%41,626 psi76%2687 fps96.8%
Vihtavuori N150ᴾ<<locked>>100%41,626 psi76%2687 fps96.8%
Vihtavuori N530<<locked>>92%46,543 psi85%2759 fps97.3%
Vihtavuori N530<<locked>>92%46,543 psi85%2759 fps97.3%
Vihtavuori N540<<locked>>98%47,094 psi86%2789 fps99.2%
Vihtavuori N540<<locked>>98%47,094 psi86%2789 fps99.2%
Winchester 748<<locked>>94%48,138 psi88%2858 fps98.5%
Winchester 748<<locked>>94%48,138 psi88%2858 fps98.5%
Winchester StaBALL Match<<locked>>96%47,297 psi86%2822 fps96.8%
Winchester StaBALL Match<<locked>>96%47,297 psi86%2822 fps96.8%

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

Start Load - Barrel Length: 24"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%32,489 psi59%2457 fps98.6%
Accurate 2015<<locked>>80%32,489 psi59%2457 fps98.6%
Accurate 2230<<locked>>82%45,426 psi83%2759 fps95%
Accurate 2230<<locked>>82%45,426 psi83%2759 fps95%
Accurate 2460<<locked>>80%35,056 psi64%2536 fps96.7%
Accurate 2460<<locked>>80%35,056 psi64%2536 fps96.7%
Accurate 2495<<locked>>80%25,280 psi46%2336 fps96.6%
Accurate 2495<<locked>>80%25,280 psi46%2336 fps96.6%
Accurate 2520<<locked>>82%32,735 psi60%2523 fps95.4%
Accurate 2520<<locked>>82%32,735 psi60%2523 fps95.4%
Accurate 4064<<locked>>86%28,863 psi52%2451 fps95.3%
Accurate 4064<<locked>>86%28,863 psi52%2451 fps95.3%
Accurate LT-30<<locked>>80%41,524 psi75%2572 fps99.2%
Accurate LT-30<<locked>>80%41,524 psi75%2572 fps99.2%
Accurate LT-32<<locked>>80%41,901 psi76%2582 fps97.9%
Accurate LT-32<<locked>>80%41,901 psi76%2582 fps97.9%
ADI AR 2206H<<locked>>92%43,918 psi80%2743 fps95.3%
ADI AR 2206H<<locked>>92%43,918 psi80%2743 fps95.3%
ADI AR 2207<<locked>>80%44,280 psi81%2657 fps100%
ADI AR 2207<<locked>>80%44,280 psi81%2657 fps100%
ADI AR 2219<<locked>>80%39,610 psi72%2657 fps98.9%
ADI AR 2219<<locked>>80%39,610 psi72%2657 fps98.9%
ADI Benchmark 8208<<locked>>86%38,537 psi70%2608 fps95.2%
ADI Benchmark 8208<<locked>>86%38,537 psi70%2608 fps95.2%
Alliant AR-Comp<<locked>>80%30,110 psi55%2487 fps99.7%
Alliant AR-Comp<<locked>>80%30,110 psi55%2487 fps99.7%
Alliant Power Pro 1200-R20.9 gr84%41,089 psi75%2746 fps95.3%
Alliant Power Pro 1200-R20.9 gr84%41,089 psi75%2746 fps95.3%
Alliant Reloder- TS 15.5<<locked>>96%40,045 psi73%2697 fps95.4%
Alliant Reloder- TS 15.5<<locked>>96%40,045 psi73%2697 fps95.4%
Alliant Reloder-10x<<locked>>80%37,565 psi68%2582 fps99.9%
Alliant Reloder-10x<<locked>>80%37,565 psi68%2582 fps99.9%
Alliant Reloder-7<<locked>>80%45,730 psi83%2674 fps100%
Alliant Reloder-7<<locked>>80%45,730 psi83%2674 fps100%
Baschieri & Pellagri 106<<locked>>80%39,668 psi72%2556 fps99.2%
Baschieri & Pellagri 106<<locked>>80%39,668 psi72%2556 fps99.2%
Bofors RP3<<locked>>96%39,624 psi72%2703 fps95.4%
Bofors RP3<<locked>>96%39,624 psi72%2703 fps95.4%
Hodgdon Benchmark<<locked>>82%36,492 psi66%2520 fps95.2%
Hodgdon Benchmark<<locked>>82%36,492 psi66%2520 fps95.2%
Hodgdon BL-C2<<locked>>86%35,853 psi65%2612 fps95.1%
Hodgdon BL-C2<<locked>>86%35,853 psi65%2612 fps95.1%
Hodgdon H322<<locked>>80%36,085 psi66%2582 fps98.1%
Hodgdon H322<<locked>>80%36,085 psi66%2582 fps98.1%
Hodgdon H335<<locked>>80%36,550 psi66%2595 fps97.3%
Hodgdon H335<<locked>>80%36,550 psi66%2595 fps97.3%
Hodgdon H4198<<locked>>80%45,774 psi83%2664 fps99.4%
Hodgdon H4198<<locked>>80%45,774 psi83%2664 fps99.4%
Hodgdon H4895<<locked>>90%41,394 psi75%2703 fps95.3%
Hodgdon H4895<<locked>>90%41,394 psi75%2703 fps95.3%
Hodgdon LEVERevolution<<locked>>92%39,479 psi72%2707 fps95%
Hodgdon LEVERevolution<<locked>>92%39,479 psi72%2707 fps95%
Hodgdon TrailBoss<<locked>>80%24,497 psi45%1535 fps100%
Hodgdon TrailBoss<<locked>>80%24,497 psi45%1535 fps100%
Hodgdon VARGET<<locked>>92%42,743 psi78%2710 fps95.5%
Hodgdon VARGET<<locked>>92%42,743 psi78%2710 fps95.5%
IMR 303119.2 gr80%28,514 psi52%2448 fps96.5%
IMR 303119.2 gr80%28,514 psi52%2448 fps96.5%
IMR 4198<<locked>>80%39,073 psi71%2572 fps100%
IMR 4198<<locked>>80%39,073 psi71%2572 fps100%
IMR 4895<<locked>>96%44,933 psi82%2802 fps95.7%
IMR 4895<<locked>>96%44,933 psi82%2802 fps95.7%
IMR 8208 XBR<<locked>>86%38,537 psi70%2608 fps95.2%
IMR 8208 XBR<<locked>>86%38,537 psi70%2608 fps95.2%
Lovex D073.4<<locked>>80%42,685 psi78%2700 fps97.9%
Lovex D073.4<<locked>>80%42,685 psi78%2700 fps97.9%
Lovex D073.5<<locked>>80%34,998 psi64%2536 fps95.2%
Lovex D073.5<<locked>>80%34,998 psi64%2536 fps95.2%
Lovex D073.6<<locked>>86%33,881 psi62%2562 fps95.8%
Lovex D073.6<<locked>>86%33,881 psi62%2562 fps95.8%
Lovex S060<<locked>>92%45,556 psi83%2694 fps95.6%
Lovex S060<<locked>>92%45,556 psi83%2694 fps95.6%
Lovex S062<<locked>>92%38,276 psi70%2625 fps95.3%
Lovex S062<<locked>>92%38,276 psi70%2625 fps95.3%
Norma 200<<locked>>80%42,525 psi77%2654 fps100%
Norma 200<<locked>>80%42,525 psi77%2654 fps100%
Norma 201<<locked>>88%37,739 psi69%2595 fps95.1%
Norma 201<<locked>>88%37,739 psi69%2595 fps95.1%
Norma 202<<locked>>82%31,154 psi57%2467 fps95.6%
Norma 202<<locked>>82%31,154 psi57%2467 fps95.6%
Norma 203B<<locked>>96%43,076 psi78%2756 fps95.1%
Norma 203B<<locked>>96%43,076 psi78%2756 fps95.1%
Ramshot Big Game<<locked>>98%46,514 psi85%2825 fps95.5%
Ramshot Big Game<<locked>>98%46,514 psi85%2825 fps95.5%
Ramshot Wild Boar<<locked>>92%45,701 psi83%2785 fps95.6%
Ramshot Wild Boar<<locked>>92%45,701 psi83%2785 fps95.6%
Ramshot X-Terminator<<locked>>88%45,324 psi82%2713 fps95.3%
Ramshot X-Terminator<<locked>>88%45,324 psi82%2713 fps95.3%
ReloadSwiss RS 14<<locked>>80%24,381 psi44%1568 fps100%
ReloadSwiss RS 14<<locked>>80%24,381 psi44%1568 fps100%
ReloadSwiss RS 40<<locked>>80%35,839 psi65%2552 fps96%
ReloadSwiss RS 40<<locked>>80%35,839 psi65%2552 fps96%
ReloadSwiss RS 52<<locked>>96%46,006 psi84%2871 fps95.1%
ReloadSwiss RS 52<<locked>>96%46,006 psi84%2871 fps95.1%
ReloadSwiss RS 60<<locked>>96%38,551 psi70%2720 fps96.1%
ReloadSwiss RS 60<<locked>>96%38,551 psi70%2720 fps96.1%
Rottweil R 901<<locked>>80%32,764 psi60%2464 fps95.8%
Rottweil R 901<<locked>>80%32,764 psi60%2464 fps95.8%
Rottweil R 902<<locked>>90%38,145 psi69%2595 fps95.1%
Rottweil R 902<<locked>>90%38,145 psi69%2595 fps95.1%
Shooters World AR Plus<<locked>>80%42,685 psi78%2700 fps97.9%
Shooters World AR Plus<<locked>>80%42,685 psi78%2700 fps97.9%
Shooters World Match Rifle<<locked>>86%33,881 psi62%2562 fps95.8%
Shooters World Match Rifle<<locked>>86%33,881 psi62%2562 fps95.8%
Shooters World Precision<<locked>>92%38,276 psi70%2625 fps95.3%
Shooters World Precision<<locked>>92%38,276 psi70%2625 fps95.3%
Shooters World Tactical Rifle<<locked>>82%40,509 psi74%2612 fps95.3%
Shooters World Tactical Rifle<<locked>>82%40,509 psi74%2612 fps95.3%
SNPE Vectan BA6 1/2<<locked>>80%45,919 psi83%2434 fps100%
SNPE Vectan BA6 1/2<<locked>>80%45,919 psi83%2434 fps100%
SNPE Vectan SP 10<<locked>>80%40,059 psi73%2661 fps98.1%
SNPE Vectan SP 10<<locked>>80%40,059 psi73%2661 fps98.1%
SNPE Vectan SP 3<<locked>>80%37,898 psi69%2585 fps99.1%
SNPE Vectan SP 3<<locked>>80%37,898 psi69%2585 fps99.1%
SNPE Vectan SP 9<<locked>>94%45,368 psi82%2769 fps95.6%
SNPE Vectan SP 9<<locked>>94%45,368 psi82%2769 fps95.6%
SNPE Vectan Tubal 3000<<locked>>80%31,314 psi57%2382 fps95.5%
SNPE Vectan Tubal 3000<<locked>>80%31,314 psi57%2382 fps95.5%
SNPE Vectan Tubal 5000<<locked>>84%28,848 psi52%2343 fps95.8%
SNPE Vectan Tubal 5000<<locked>>84%28,848 psi52%2343 fps95.8%
Somchem S321<<locked>>84%38,537 psi70%2635 fps95.6%
Somchem S321<<locked>>84%38,537 psi70%2635 fps95.6%
Somchem S335<<locked>>80%30,850 psi56%2392 fps96.4%
Somchem S335<<locked>>80%30,850 psi56%2392 fps96.4%
Somchem S355<<locked>>98%40,930 psi74%2700 fps95%
Somchem S355<<locked>>98%40,930 psi74%2700 fps95%
Vihtavuori N120<<locked>>80%44,367 psi81%2615 fps100%
Vihtavuori N120<<locked>>80%44,367 psi81%2615 fps100%
Vihtavuori N130<<locked>>80%35,636 psi65%2490 fps99.6%
Vihtavuori N130<<locked>>80%35,636 psi65%2490 fps99.6%
Vihtavuori N133<<locked>>80%31,067 psi56%2398 fps98.1%
Vihtavuori N133<<locked>>80%31,067 psi56%2398 fps98.1%
Vihtavuori N135<<locked>>80%26,150 psi48%2346 fps96.7%
Vihtavuori N135<<locked>>80%26,150 psi48%2346 fps96.7%
Vihtavuori N140<<locked>>82%29,486 psi54%2402 fps95.2%
Vihtavuori N140<<locked>>82%29,486 psi54%2402 fps95.2%
Vihtavuori N150<<locked>>96%36,506 psi66%2582 fps95.2%
Vihtavuori N150<<locked>>96%36,506 psi66%2582 fps95.2%
Vihtavuori N530<<locked>>86%38,276 psi70%2602 fps95.2%
Vihtavuori N530<<locked>>86%38,276 psi70%2602 fps95.2%
Vihtavuori N540<<locked>>86%32,227 psi59%2487 fps95.7%
Vihtavuori N540<<locked>>86%32,227 psi59%2487 fps95.7%
Winchester 74822.4 gr86%36,898 psi67%2635 fps95.7%
Winchester 74822.4 gr86%36,898 psi67%2635 fps95.7%
Winchester StaBALL Match<<locked>>92%41,133 psi75%2707 fps95.1%
Winchester StaBALL Match<<locked>>92%41,133 psi75%2707 fps95.1%

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.

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This overview compares 146 powders for .224 Valkyrie loaded with the .224 | 75gr | Swift Scirocco. ReloadSwiss RS 52 delivers the highest muzzle velocity at 2,930 fps; across all powders the maximum-charge window runs from 1,722 fps to 2,930 fps. Accurate 2495 gives the best case fill at 100 %, and 146 of the 146 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (379 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 75.0 gr projectile in 0.224" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 2495, Accurate 4064 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 1200-R, IMR 3031, Winchester 748 rank at the top here: for .224 Valkyrie with the .224 | 75gr | Swift Scirocco 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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