Easily mount optics on Chipmunk or Crickett single shot rifles. Includes all mounting hardware. The rail utilizes a standard weaver style or 3/8_ dovetail mounting system. This scope rail now comes standard with all Crickett Gen. 2 youth rifles. When your young marksman is ready to upgrade, pair it up with the Crickett Scope and open a whole new experience of shooting fun. The KSA031 and KSA054 is also compatible with the Chipmunk line of rifles.