Ledsniper&reg; Ar15 Ar 15 M4 Cantilever 1" (25.4mm) Offset Scope Rings One Piece Front and Rear Tactical Cqb Battle Mount Machined from aircraft grade aluminum alloy with a very high hardness,wearproof design makes it looks new. Offset design for better eye relief position to protect you. Fits 1 and extra accessory rails on top One piece offset design for better scope alignment and easier eye relief setup Integral accessory rails for mounting laser sight, flashlight etc.