XS Sights Lever Rail Black Marlin 336 and 308MX Lightweight, anodized aluminum rail;Machined to Picatinny specs;Allows scope mounting directly over the receiver, or forward for scout scope or red dots;Requires removal of factory rear sight;Fits Marlin 336 with round barrel and 308MXtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 4000 Product Group Code: 4000C Product Sub Group 1: 4000C2 Inactive: No