The Troy 7 in. Modular Rail Forend Drop in for M4/M16/AR15 Carbines, Black, NSN - 1005-01-644-6293, SRAI-MRF-D7BT-00 Color: Black, Finish: Anodized, Fabric/Material: 6061-T6 Aluminum, Gun Make: AR Platform, Gun Model: AR-15, M16, M4, Gun Type: Rifle, Handguard Length: 7 in, Handguard Type: Drop-In, Handguard Style: Quad Rail, Gun Rail: Picatinny, Included Accessories: Standard, Caliber: .223 Remington, 5.56x45mm NATO, Hand: Ambidextrous, 

The Troy Drop-In Rail is a non free-floating direct replacement for all M4/AR15 Carbine length plastic hand guards with a round end plate. The Troy patented clamping design ensures a solid mounting platform and provides a true optical mounting platform that increases the modularity and accuracy of the M4.

Features of Troy Modular AR-15/M4/M16 Rail Drop In Forend:

• Numbered cross slots;
• M203 Capable;
• Accepts 360° push button swivels (sold separately);
• Positive clamping provides true optical mounting platform;
• Installs in less then two minutes;
• Does not alter weapon