Product Description The Troy Industries Enhanced Drop-In Quad Rail is a rugged, non-free-floating, two-piece replacement handguard designed for M4/AR-15 carbine-length platforms that use standard plastic handguards with a round end plate. Featuring Troy&';s patented clamping design, it provides a solid, true optical mounting platform to increase modularity and help maintain consistent accessory alignment. With full-length Picatinny rail sections at the 12, 3, 6, and 9 o&';clock positions, it&';s ready for lights, grips, lasers, and other rail-mounted accessories. Product Highlights Drop-in installation replaces standard carbine-length M4/AR-15 plastic handguards-no gunsmithing required Quad Picatinny rail layout at 12/3/6/9 o&';clock for versatile accessory mounting Patented clamping design creates a solid mounting platform and true optical mounting surface Integrated Quick-Detach (QD) swivel sockets for sling mounting flexibility Durable aircraft-grade aluminum construction with black hardcoat anodized finish Specs Brand: TROY Industries Manufacturer Part Number: SRAI-DID-D7BT-00 UPC: 812699017609 Handguard Type: Drop-In (Non-Free-Float) Length: 7 in (Carbine Length) Rail Type: Picatinny (Quad rail at 12/3/6/9 o&';clock) Color/Finish: Black, MIL-SPEC hardcoat anodizing Material: 6061-T6 aluminum (aircraft-grade) with stainless steel components Compatibility: M4/AR-15 carbine-length plastic handguards with 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.