Midwest Industries new extended scope mount allows you to move your optic 2.8" forward.
The rigid design will not flex under recoil or hard use.

Technical Specs:

Works with scopes with up to a 56mm objective
Weight: 8.4oz
Overall length: 5.875 in.
Width of rings: .85 in.
Distance between rings: 2.80 in.
Offset from the first ring: 2.80 in.
Distance - top of rail to center line of ring: 1.50 in.