Product Description The Troy Drop-In Rail is a non free-floating, direct replacement for M4/AR-15 carbine-length plastic handguards that use a round end plate. Its patented clamping design creates a solid, repeatable mounting platform and a true optical mounting surface to help increase modularity and support consistent performance. This 2-piece, 7-inch quad-rail forend features MIL-STD Picatinny rails at the 12, 3, 6, and 9 o&&';;clock positions for lights, grips, and other accessories, all in a durable black anodized finish. Product Highlights Drop-in, non free-float 2-piece rail system designed for AR-15/M4 carbine-length handguard replacement Patented positive clamping design provides a rigid, true optical mounting platform MIL-STD Picatinny rail interfaces at 12/3/6/9 o&&';;clock for maximum accessory mounting Includes built-in sockets and supports 360Adeg push-button sling swivel use (swivels sold separately) Installs quickly with no gunsmithing and does not require permanent weapon modification Specs Brand: TROY Industries Manufacturer Part Number: SRAI-MRF-D7BT-00 UPC: 812699010365 Product Type: Drop-In Carbine Rail / Handguard Forend Length: 7 in Rail Type: Picatinny (MIL-STD) Rail Positions: 12, 3, 6, and 9 o&&';;clock Handguard Style: Quad Rail Construction Material: 6061-T6 Aluminum Finish/Color: Black anodized Compatibility: AR-15 / M4 carbine-length platforms (round end plate) Country of Origin: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.