It's what it sounds like - a .222 Rem case necked down to .17 calibre with no other changes.
It's a wildcat that sits between the .17 Rem and the .17 Rem Fireball/.17 Mach IV.
http://www.saubier.com/smallcaliber/which17.html
I have rifles in four chamberings based on the .222 Rem case:
*17-222
*20-222
*222 Rem
*250 Myra (25-222)
Marcus
It's a wildcat that sits between the .17 Rem and the .17 Rem Fireball/.17 Mach IV.
http://www.saubier.com/smallcaliber/which17.html
I have rifles in four chamberings based on the .222 Rem case:
*17-222
*20-222
*222 Rem
*250 Myra (25-222)
Marcus


