The Ruger 10/22 has not only become one of the most widely produced .22 rimfires rifles ever made, its pattern has become the de-facto pattern for a box-magazine fed, semi-automatic rimfire rifle.

One of the rifles in this round-up — the custom Shilen/Zermatt/Manners competition gun — is an over-the-top expression of this urge. But if you want to dip your toes in these waters yourself — whether ...