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.17 Ackley Bee
Type Rifle
Place of origin United States
Production history
Designer P.O.Ackley
Designed 1940s
Parent case .218 Bee
Case type Rimmed, bottleneck
Bullet diameter 0.172 in (Bad rounding hereScript error mm)
Neck diameter 0.195 in (Bad rounding hereScript error mm)
Shoulder diameter 0.334 in (Bad rounding hereScript error mm)
Base diameter 0.349 in (Bad rounding hereScript error mm)
Rim diameter 0.408 in (Bad rounding hereScript error mm)
Rim thickness .065 in (Bad rounding hereScript error mm)
Case length 1.35 in (Bad rounding hereScript error mm)
Case capacity 16.89 gr H2O (1.098 cm³)
Rifling twist 1-12 inches
Primer type Small rifle


Ballistic performance
Bullet weight/type Velocity Energy
20 gr (Bad rounding hereScript error g) HP3,845 ft/s (Bad rounding hereScript error m/s)657 ft·lbf (Bad rounding hereScript error J)
25 gr (Bad rounding hereScript error g) SP3,285 ft/s (Bad rounding hereScript error m/s)599 ft·lbf (Bad rounding hereScript error J)
Source(s): Reload Bench [2]

The .17 Ackley Bee is a wildcat centerfire rifle cartridge named after its designer, P.O. Ackley, and is a .218 Bee case necked down to .17 caliber with a squarer shoulder and less body taper. Being a rimmed case it was popular with single shot rifles such as the Martini Cadet and Low Wall Winchester[2]. The caliber is well suited to varmint hunting particularly where minimal pelt damage is required.

See alsoEdit


  1. Donnelly, John J., Handloaders Manual of Cartridge Conversions, p82
  2. 2.0 2.1 Reload Bench

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