James House

The .17 HMR is known for its blistering velocities, but it required fine tuning from ammo companies to make the rimfire round dependable when taken afield.

There are many elements that make up the internal ballistics of rimfire rifles. Perhaps, one of the more overlooked aspects pertains to the firing pin.

Solid on performance and reasonably priced, the Ruger P345 is not new but it is an autoloader any serious handgunner should check out.