20mm Weaver / Picatinny top rail section compatible with M-LOK Handguard System. 20mm wide x 55mm long x 8mm high. 5 Slot M-LOK 20mm Rail All hardware necessary for attachment directly to MLOK Slots on either aluminium or polymer hand guards and forends is included. EASY TO FIT - Easy and quick installation following the standard MLOK procedure, please see info graphic in product images LIGHTWEIGHT AND DURABLE - Machined from Mil-Spec-anodized aluminium and finished in non reflective matt black, these rail sections weigh only 15g each. Airsoft Attachments Aluminium M-Lok Picatinny 3 Rail Set Magpul M-LOK This is the Magpul aluminum Picatinny rail section for M-LOK forends and hand guards. Once installed, you can attach various Picatinny rail-mounted accessories, such as lights and grips. Features: Made from milspec-anodized aluminum Features beveled ends to reduce snagging All hardware included Made in the USA Resources: M-LOK Description and... NOTE - When mounting the Rail and tightening the screws, be sure not to overtighten them. MLOK 5 Slot 20mm Picatinny Rail Section VMML3T FDE/Tan M-LOK® Picatinny Rail 5 Slot Accessory Rail - Quad DIMENSIONS - Please refer to diagram in product images - WEIGHT 15g (Rail only)