What size rings can be used on the Chipmunk®? Posted on March 27, 2017June 19, 2019 by Spyke Krepshaw Any rings that will attach to a 3/8″ dovetail scope mount will work. The upgraded Crickettinny rail will also accept any Picatinny style rings. by Spyke Krepshaw Are the Crickett® and Chipmunk® accessories/spare parts interchangeable? Will a Chipmunk® with a scope fit in the padded Chipmunk® gun case?