Rail mount for attaching 11mm to 20mm Picatinny Rail

Rail mount for attaching 11mm to 20mm Picatinny rail  

If you unscrew the top Picatinny rail can be used to increase 15mm to 11mm lane   

Lanes:  

Below is attached to a 11mm rail  

A side has 2 lanes of 11mm  

Top has 1 lane 1 lane 11mm Picatinny rail that removing or screwing  

Material: Aluminum  

Height of the frame with Picatinny rail: 23mm  

Overall frame width: 68mm  

Length of rail: 115mm