Adaptive Tactical Saddle Shell - Carrier Mosb 500/590 12ga Blk

FEATURES
-Picatinny rail for mounting optics & other accessories
-Low-profile rail design allows for use of factory bead site
-Keep shells close to the receiver for faster reloads
-Easy to install, non-permanent design
-Streamlined, lightweight aluminum design fits closely to the receiver's contours
-Chemical & weather resistant synthetic rubber flexes to securely hold shells, yet retains shape over time