Other Details Manufacturer: Magpul Industries Manufacturer Part Number: MAG492-BLK Cap Size: Steel Color: Black Description: Receiver Sling Mount Fit: Mossberg 500/590 with Magpul SGA Stock Loop Size: SGA Receiver Sling Mount Material: Steel Model: SGA Product Type: Sling Mount Stock Material: Steel Style: Shotgun Mount Subcategory: Sling Hardware