Use as a high-quality alternative to ring mounts sold by firearms manufacturers and as a no-tap mounting method. Because these rings are machined from solid steel, they offer superior integrity and tighter tolerances. Features: Forged and machined steel construction Versatile, and available for many different rifles Use as a high-quality alternative to ring mounts sold by firearms manufacturers and as a no-tap mounting method for most 22 Rimfire rifles with an 11mm, 13mm, or 3/8 inches dovetail rail Superior integrity and tighter tolerances because we machine them from solid stock