.17 Ackley Bee

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.

.17 Ackley Bee
Place of originUnited States
Production history
Parent case.218 Bee
Case typeRimmed, bottleneck
Bullet diameter0.172 in (4.4 mm)
Neck diameter0.195 in (5.0 mm)
Shoulder diameter0.334 in (8.5 mm)
Base diameter0.349 in (8.9 mm)
Rim diameter0.408 in (10.4 mm)
Rim thickness.065 in (1.7 mm)
Case length1.35 in (34 mm)
Case capacity16.89 gr H2O (1.094 cm3)
Rifling twist1-12 inches
Primer typeSmall rifle [1]
Ballistic performance
Bullet mass/type Velocity Energy
20 gr (1 g) HP 3,845 ft/s (1,172 m/s) 657 ft⋅lbf (891 J)
25 gr (2 g) SP 3,285 ft/s (1,001 m/s) 599 ft⋅lbf (812 J)
Source(s): Reload Bench [2]

See also


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

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