GC_UPC Mossberg 590A1 M-Lok 12 Gauge 18.5" 6 Round 3-Inch Ghost Ring Sight $611.99 50765 show more like this 9.99 GrabAGun.com GC_UPC Mossberg 590A1 Security 12 Ga, 18.5" Barrel, 3", Ghost Ring Sights, Parkerized, 6rd $632.09 50765 show more like this Free (Except HI/AK) Impact Guns GC_UPC Mossberg 50765 590A1 Tactical 12 Gauge 3" 6+1 18.50" Cylinder Bore Barrel Black Parkerized Rec With Ghost Ring Sight Black Synthetic Stock Right Hand Includes M-Lok Handguard $657.90 50765 show more like this Firearms $18.45, Free over $500 Shooting Surplus