MK18 M4A1 Handguard Quad Rail Two-pieces Design FSP Cutout AR15 M4 M16 - 12.7 inch

This quad rail handguard is designed for fitting the MK18, .223 rifles, which is applicable to field combat practically. Cut-out along the top of the rail accommodates M4 upper receiver groups with fixed front sight posts while maintaining rail space beyond the front sight Clever Top/Bottom Two-piece Design with Integral Spinal Cords/Alignment Housing for Great Fit, and the Bolt-Up System securely attaches handguard to the upper receiver. Great accomodating capability for the accessories Installed on the rails, and it allows the individual operator to handle freely. Comes with Mil-Spec steel barrel nut, screws and allen key. The interrupted top Rail Platform with the FSP cutouts provides ample space for optics or includes removable front triangle flip sight. The bottom rail does not have a cutout, not fit for the front sight base with bayonet lug. Guide Type: M4A1 Handguard. Rail: Interrupted Quad Rail. Compatibility: M4A1, .223 rifles. Top Rail Length Before Cutout: 7.28 inch/8