Mosin Nagant M44 M91/30 M38 M39 Top Picatinny Rail Scope Mount with 16 Slots for Rear Sight Scope Mount Base

Mosin Nagant Weaver Style Rail,Fits into rearl sight.
Constructed of aircraft grade aluminum,Lightweight design maintains a low profile.
Rugged design can with stand heavy use.
Clamps on tight and uses 3 set screws to hold an absolute zero.
Once installed, it will not budge.