Better check your retailers if they already have this MadBull Airsoft product in stock... "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.

Kit includes: 4in pistol length Rail, 7in outer barrel, and 153mm tight bore barrel for easy installation.

Details:

• Free Floating Barrel Design
• Uninterrupted Upper Rail Platform
• Aircraft Grade Aluminum
• Hardened Steel Barrel Nut
• Grade 8 Military Specification Fasteners
• Mil-Spec 1913 Picatinny Rails

Also Available:
Troy TRX & VTAC Extreme Battlerails"