The Monstrum ZS321 scope rings are dedicated scope rings for the Dovetail (11mm/3/8 inch) mounting platform. They are not compatible with other dovetail formats, Weaver, or Picatinny platforms.
Dovetail rails are commonly found on air rifles, air pistols, and select model .22 rifles.
The scope rings are 1 inch in diameter and are compatible with standard 1 inch tube rifle scopes.
Available in three different mount heights measured from the base of the mount to the center ring height - Low Profile 1.00 inch, Medium Profile 1.20 inch, and High Profile 1.40 inch
All Monstrum mount and accessory products come with a lifetime guarantee.