Sniper Base Rail Mount For Mossberg 500 Shotgun Black. One piece Machined in Aircraft Aluminum Alloy. Specifications for Sniper Base Rail Mounts for Mossberg 500 Shotgun: Manufacturer: Sniper Color: Black Included Accessories: Allen Wrench Gun Model: Mossberg Model 500 Finish: Black Matte Gun Make: Mossberg Fit: Mossberg 500 Shotgun Gun Type: Shotgun Quantity: 1 Package Contents: Sniper Base Rail Mount For Mossberg 500 Shotgun What firearm models does the manufacturer say Sniper Base Rail Mounts for Mossberg 500 Shotgun is compatible with? The manufacturer says that Sniper Base Rail Mounts for Mossberg 500 Shotgun is compatible with Mossberg Model 500Sniper MSTRM: Base Rail Mount For Mossberg 500 Shotgun Black