The Radian Weapons model 1 AR-15 builder kit offers an exceptional foundation for your next carbine build. Precision machined from billet 7075-T6 aluminum, the receivers in this kit ensure maximum strength and durability. The kit features an eye-catching M-LOK handguard that seamlessly matches the receiver, providing ample space for bipods and other accessories. Included in the lower receiver are Radian's renowned ambidextrous components, enhancing usability for both left- and right-handed shooters. To complete your build, you'll need to add a bolt carrier group, barrel, gas system and buffer system. This kit promises versatility and reliability, making it an ideal choice for anyone seeking a robust AR-15 platform with a solid foundation.