Mossberg 500 Scope Mount also so fits Maverick 88 Shotguns perfect for mounting scope accessories. Fits Mossberg 500 and Maverick 88 12 Gauge Shotguns. This Shotgun Saddle Scope Mount Is Constructed Of Aircraft Grade Aluminum. The Perfect Scope Mount for precision scope mounting. Full length rail Perfectly contours to match receiver. Installs using existing shotgun ports. Satin black finish. Fast and Easy to install and lightweight. Picatinny Rail / Weaver Style Rail.