Magpul M-LOK Polymer Picatinny Accessory Rail Description Features: Designed for use with all M-LOK compatible mounting locations Allows the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Injection molded from a proprietary reinforced composite for enhanced strength and durability while remaining lightweight; Beveled ends reduce snagging and eliminate sharp corners and edges All hardware necessary for attachment directly to M-LOK Slots on either aluminum or polymer mounting locations is included Rail has 7 usable slots with a max overall length of 3.3 inches Product Details: Item Package Dimensions L x W x H: 7.4 x 4.17 x 0.47 inches Package Weight: 0.03 Kilograms Item Dimensions LxWxH: 1.57 x 1.57 x 5.31 inches Brand Name: Magpul Model Name: M-LOK Polymer Picatinny Accessory Rail Color: 7 Slots Material: Polymer Suggested Users: unisex-adult Number of Items: 1 Manufacturer: Magpul Industries Corp. Part Number: MAG591-BLK Style: 7 Slots Included Components: Magpul M-LOK Polymer Picatinny Accessory Rail, 7 Slots Size: One Size Sport Type: Hunting, Tactical & Military Date First Available: November 8, 2014