Aimtech Mount System
Aimtech Mount Systems Shotgun Scope Mount Mossberg 500 Series 20 GaugeItem/Style# 035724001040 - ASM-4
Can be user installed in three minutes. No gunsmithing and no sight removal required. Iron sights remain functional. Extruded and machined high strength aluminum alloy. Mounts scopes, electronic sights and lasers using Weaver-style bases. Weighs only four ounces. Installation tool and instructions included.