The innovative Daniel Defense AR15 Lite Rail 4.0 system gives the weapon system an uninterrupted upper rail platform and also allows the Armorer to install the rail system with simplified alignment to the upper receiver. Not only does this battle proven system provide features that no other rail system possesses, but it is also the lightest rail system available.


Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) (black)
Aircraft Grade Aluminum Construction
Free Floating Barrel Design
Uninterrupted Upper Rail Platform
Hardened Steel Barrel Nut
Grade 8 Military Specification Fasteners
MadBull licensed Daniel Defense