Based on the 6mm BR case that was necked down to .20

   Third in the series by James Calhoon, this version is based on the 22 Hornet case.

   This is the second in the series by James Calhoon. This version is based on the 30 M1 Carbine case.

   Necked down and improved version of the 223 Remington case, capable of reaching 4,000fps.

   Popular wildcat from the 1960's. The late editor of Rifle and Handloader magazine, Dave Wolfe has been credited with the design of the 17-222 Magnum, although there were different variations on the same idea.

   By Zac Weighman. The idea is to get no residual powder left after firing

   In 2007 Remington Arms introduced a new rifle cartridge based on their 221 Fireball necked down to 17 caliber. Aptly named the 17 Remington Fireball, it is their version of the 17 Mach IV with minor changes from the original design in some areas.

Introduced by Remington in 1971 but never gained a great following.

   On Target Technologies Radius Based on the 17 Remington case. As can be seen on the cartridge, the shoulder has a concave shape that apparently improves accuracy.

   Designed by Paul Marquart of A&M Gunshop, Prescott AZ, in 1958 and based on the 222 Remington case

New line of 5 cartridges based on the 30 M1 case. From the website: The Garin SureStrike System is a complete line of five highly efficient and accurate cartridges designed for varmint, small game and target pursuits. Differing only by specific neck diameter and...

Introduced in 1992 and was originally designed by Mike Hill. Dan Cooper (President of Cooper Arms) further refined the cartridge and chambering to put it into production in the Cooper Model 38 action. The 17 CCM is a necked down 22 CCM and was designed for varmint...

Developed around 1952 by PO Ackley   

     SHOWN BELOW AT 200% SCALE