The Radian Weapons Model 1 Builder Kit is a comprehensive package designed for those who demand precision and reliability. Featuring a billet upper receiver with a dust cover and lightweight forward assist this kit ensures seamless operation. The black handguard equipped with a Magpul M-LOK modular attachment interface provides versatile mounting options for your accessories. The kit includes the Radian AX556 lower receiver complemented by the RaptorSD ambidextrous charging handle for ease of use. The Radian Talon 45/90 ambidextrous safety selector and ambidextrous bolt catch and magazine release offer enhanced control and adaptability. Completing the set is an enhanced takedown pin set an aluminum barrel nut with a wrench and handguard cross bolts with washers and nuts. This builder kit delivers everything needed for a high-performance build.