About: .219 Donaldson Wasp     Goto   Sponge   NotDistinct   Permalink

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The .219 Donaldson Wasp cartridge was developed during the late 1930s by , and is derived from the .219 Zipper case. Once popular among match shooters in the 1940s, it has since fallen by the wayside in favor of newer developments. It is, however, held in high regard for its accuracy, and is widely considered the grandfather of benchrest cartridges. Today the round occupies a niche in the market.

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  • .219 Donaldson Wasp (en)
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  • The .219 Donaldson Wasp cartridge was developed during the late 1930s by , and is derived from the .219 Zipper case. Once popular among match shooters in the 1940s, it has since fallen by the wayside in favor of newer developments. It is, however, held in high regard for its accuracy, and is widely considered the grandfather of benchrest cartridges. Today the round occupies a niche in the market. (en)
name
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Base
  • 0.416" (en)
btype
  • Sierra (en)
bullet
  • 0.224" (en)
bw
case length
  • 1.750" (en)
case type
  • rimmed, tapered, bottleneck (en)
design date
designer
en
length
  • 2.250" (en)
neck
  • 0.250" (en)
origin
  • USA (en)
parent
primer
  • Large rifle (en)
rifling
rim dia
  • 0.506" (en)
rim thick
  • 0.063" (en)
shoulder
  • 0.406" (en)
shoulder angle
test barrel length
  • 24" (en)
type
  • Rifle (en)
vel
has abstract
  • The .219 Donaldson Wasp cartridge was developed during the late 1930s by , and is derived from the .219 Zipper case. Once popular among match shooters in the 1940s, it has since fallen by the wayside in favor of newer developments. It is, however, held in high regard for its accuracy, and is widely considered the grandfather of benchrest cartridges. Today the round occupies a niche in the market. There are three notable versions of the Wasp. The first, designed in the mid-1930s and today known as the 219 Gipson Wasp, was named after the gunsmith who chambered the first Wasp rifle for Donaldson. This version has a case length measuring 1.625" and was formed from rimless 25 Remington brass. Donaldson shifted his experimentation to the 219 Zipper brass soon after the introduction of that cartridge by Winchester in 1937. By approximately 1940, Donaldson had lengthened the body of the Wasp case to increase capacity from around 24 to 28 grains of IMR 3031 powder - to see if velocity could be increased while maintaining accuracy. To Donaldson's delight, the larger case produced both higher velocity and superior accuracy. This development work is detailed in a series of letters written by Donaldson and collectively published in Yours Truly. Donaldson later lengthened the neck by about 1/32" so as not to encroach on powder capacity when using a graphite wad behind the bullet. This resulted in a case length of 1.750". This final design is preserved in a drawing on page 224 of Twenty-Two Caliber Varmint Rifles. During the 1960s, an even longer version appeared as a result of measurements referenced from the front of the rim instead of the rear. This design has a case length of 1.813" (1.750" plus 0.063" rim thickness). The same error has occurred on a number of other popular wildcats. (en)
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