Home / Accessories / Rail Kits / Spare Hardware Kit – Slim Mossberg 500/590/Mav88 Quad Rail Spare Hardware Kit – Slim Mossberg 500/590/Mav88 Quad Railfrom: $1500 Kit Option Choose an optionHardware KitClamp SetHardware Kit & Clamp SetClear Spare Hardware Kit - Slim Mossberg 500/590/Mav88 Quad Rail quantity Add to cart SKU: N/A Categories: Accessories, Rail Kits Product ID: 2735 Additional information Additional information Weight 1 lbs Kit Option Hardware Kit, Clamp Set, Hardware Kit & Clamp Set Related products Black Aces Carry Case by Savior $9000 Add to cart Black Aces Tactical Side Shell Holder Kit from: $1500 Select options Shockwave Rail Kit $21400 Add to cart