[stash247]

Rimfire Rat, check my prior post, about small centerfire .17's.
I just sent a bunch of money for another barrel, in the caliber, for a rifle for a grandson, in the works, which will be a .17 Ackley Improved Hornet, a caliber that can be loaded cheaper than buying rimfire ammo, and will double, or more, the .17 HMR numbers, and safely.
I like the MachII idea, because it fits into a lot of already accurate platforms; the 22 mag/.17 HMR does not have such a base; but what will the MachII do that a good .22 LR cannot?
Also, I am working on a rimmed equivalent of the new .17 Fireball, based on .357 Max brass, with the potential for 4300 fps velocities, and support enough to not expand the primer pocket; the rim, to work in single shot rifles, with more or less 'standard' extractors.
While I am a rimfire 'freak', I think the .17 is best in a center fire case.