You can pay more money but you can't buy a better stronger scope mount for your MkII MKI 22/45. Lightweight scope rail attaches in just seconds to pistols that are factory drilled and tapped. Provides a "rock steady" base that accepts all Weaver-style rings and accessories. Includes mounting screws which are 6-48 thread.
4-3/4" long, available in silver or black, matte anodoized finish, weighs 1.7 ounces.