Load data for .219 Donaldson Wasp + .224 | 55gr | Sierra SBT GameKing

.219 Donaldson Wasp cartridge drawing
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Load Specifications

Bullet Manufacturer:Sierra
Bullet Weight:55 gr
Bullet Diameter:0.224"
Bullet Length:<<locked>>
Case Length (l3):1.81"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:35.1 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:40,988 psi
Recommended Twist Rate:1:12.0

Load data in caliber .219 Donaldson Wasp with .224 | 55gr | Sierra SBT GameKing bullet and 24 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are IMR 3031, Accurate 2495 and Vihtavuori N135.

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"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>84%35,099 psi86%2907 fps97.7%
Accurate 2015<<locked>>84%34,940 psi85%2904 fps97.7%
Accurate 2495<<locked>>92%35,375 psi86%2976 fps98.2%
Accurate 2495<<locked>>92%35,578 psi87%2979 fps98.3%
Alliant AR-Comp<<locked>>88%36,782 psi90%3045 fps99.8%
Alliant AR-Comp<<locked>>88%36,564 psi89%3038 fps99.8%
Hodgdon H322<<locked>>82%36,332 psi89%2979 fps96.3%
Hodgdon H322<<locked>>82%36,564 psi89%2986 fps96.4%
Hodgdon TrailBossᴾ<<locked>>100%32,343 psi79%2057 fps100%
Hodgdon TrailBossᴾ<<locked>>100%32,692 psi80%2064 fps100%
IMR 3031<<locked>>88%34,737 psi85%2999 fps96.8%
IMR 3031<<locked>>88%34,954 psi85%3005 fps96.9%
ReloadSwiss RS 14ᴾ<<locked>>100%32,343 psi79%2103 fps100%
ReloadSwiss RS 14ᴾ<<locked>>100%32,677 psi80%2113 fps100%
SNPE Vectan Tubal 5000<<locked>>92%34,940 psi85%2858 fps96%
SNPE Vectan Tubal 5000<<locked>>92%35,128 psi86%2864 fps96.1%
Somchem S335<<locked>>86%35,215 psi86%2871 fps95.9%
Somchem S335<<locked>>86%35,433 psi86%2877 fps96%
Vihtavuori N130<<locked>>82%35,882 psi88%2887 fps98.6%
Vihtavuori N130<<locked>>82%36,071 psi88%2894 fps98.6%
Vihtavuori N133<<locked>>86%35,766 psi87%2890 fps97.8%
Vihtavuori N133<<locked>>86%35,578 psi87%2887 fps97.7%
Vihtavuori N135<<locked>>92%36,201 psi88%2989 fps98.3%
Vihtavuori N135<<locked>>92%36,463 psi89%2995 fps98.4%

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%30,530 psi74%2785 fps96.1%
Accurate 2015<<locked>>80%30,719 psi75%2792 fps96.2%
Accurate 249524.7 gr86%28,776 psi70%2799 fps95.9%
Accurate 249524.1 gr84%26,992 psi66%2743 fps95.1%
Alliant AR-Comp<<locked>>80%28,108 psi69%2799 fps97.8%
Alliant AR-Comp<<locked>>80%28,326 psi69%2805 fps97.9%
Hodgdon H322<<locked>>80%33,910 psi83%2913 fps95.4%
Hodgdon H322<<locked>>80%34,113 psi83%2920 fps95.5%
Hodgdon TrailBoss<<locked>>80%24,062 psi59%1850 fps100%
Hodgdon TrailBoss<<locked>>80%23,975 psi58%1850 fps100%
IMR 303123.8 gr84%30,618 psi75%2877 fps95%
IMR 303123.8 gr84%30,792 psi75%2884 fps95.1%
ReloadSwiss RS 14<<locked>>80%23,786 psi58%1890 fps100%
ReloadSwiss RS 14<<locked>>80%24,091 psi59%1900 fps100%
SNPE Vectan Tubal 5000<<locked>>90%33,040 psi81%2812 fps95.3%
SNPE Vectan Tubal 5000<<locked>>90%32,837 psi80%2805 fps95.2%
Somchem S335<<locked>>84%32,996 psi81%2815 fps95%
Somchem S335<<locked>>84%33,199 psi81%2822 fps95.1%
Vihtavuori N130<<locked>>80%33,852 psi83%2838 fps98.1%
Vihtavuori N130<<locked>>80%34,113 psi83%2844 fps98.2%
Vihtavuori N133<<locked>>80%29,428 psi72%2723 fps95.5%
Vihtavuori N133<<locked>>80%29,602 psi72%2730 fps95.6%
Vihtavuori N13523.3 gr84%27,949 psi68%2759 fps95.2%
Vihtavuori N13523.3 gr84%28,137 psi69%2766 fps95.3%

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 24 powders for .219 Donaldson Wasp loaded with the .224 | 55gr | Sierra SBT GameKing. Alliant AR-Comp delivers the highest muzzle velocity at 3,045 fps; across all powders the maximum-charge window runs from 2,057 fps to 3,045 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 24 of the 24 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (283 MPa), the top charges use 79–90 %, leaving at least 10 % headroom. The 55.0 gr projectile in 0.224" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, Hodgdon TrailBoss, ReloadSwiss RS 14 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. IMR 3031, Accurate 2495, Vihtavuori N135 rank at the top here: for .219 Donaldson Wasp with the .224 | 55gr | Sierra SBT GameKing 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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