A MCX/M7/M8-style DeAR-22 platform. Includes 16 different lower versions and two upper receiver systems. Also has some accessories like an MCX style pistol grip and flanged magwell. iFe Upper receiver includes 2 handguard lengths: long (190mm, 7.5″) and short (50mm, 5.9″) plus a collar that does not have an extended guard. Lower receivers that do not have full length picatinny rail are designed for the PP MCXish hinge. Rear-charging lowers are compatible with regular milspec AR15 upper receivers and charging handles.