Bald-faced hornet coloring differentiates it from its mostly black and yellow genus mates. Baldfaced hornets are distinguished from other yellowjackets by their white and black coloring. It has a white or "baldfaced" head, which is the source of its colloquial name. These wasps also have three white stripes at the end of their bodies. They are notably larger than other species of "Dolichovespula", as adults average about in length. Queen and worker wasps have similar morphologies. However, workers are covered by small hairs while the queen remains hairless. Queens are always larger than workers in their colonies, though size distributions can vary
.17 Hornet fit an Ackley chamber without full-length resizing. Existing rifles chambered for the Ackley wildcat can have their barrels set back one turn and rechambered to the new .17 Hornady Hornet which meets the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI) standard for the .17 Hornet. This fixes the bullet jump issue and improves ammunition availability with little risk of diminished performance. .17 Hornet The .17 Horneta is a .17 caliber centerfire rifle cartridge originally offered as a "wildcat cartridge" made by P.O. Ackley in the early 1950s. He created this non-factory (wildcat) offering by simply necking-down the .22 Hornet to