Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel)
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Prices last checked August 20, 2026 across 3 retailers.
The kit includes: pistol length (4 inch) Rail outer barrel (7 inch) tight bore barrel (53mm) The innovative Daniel Defense Lite Rail 4.0 kit 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. This kit is the lightest rail system available, and it also provide features that no other rail system possesses. 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
Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) price comparison: the lowest price is $98.99 at RedWolf Airsoft, the highest is $102.02, and the median across 4 tracked listings is $99.38. Comparing retailers can save up to 3% ($3.03) versus the highest-priced listing.
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Where to buy the Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel): prices at 4 retailers
- RedWolf Airsoft: $98.99 — Out of Stock
- RedWolf Airsoft: $98.99 — Out of Stock
- eHobby Asia: $99.78 — Out of Stock
- Bang Bang Airsoft: $102.02 — Out of Stock
Frequently asked questions about the Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel)
- How much does the Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) cost?
- The Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) ranges from $98.99 to $102.02 across 3 retailers. Prices are updated regularly from each store's live catalog.
- Is the Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) in stock?
- The Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) is currently out of stock across all 3 tracked retailers. You can set up a price alert to get notified when it becomes available again.
- Is the Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) a good aeg inner barrels upgrade?
- The Madbull Daniel Defense 4 inch Rail Kit ( RIS Unit / Outer & Inner Barrel) by Madbull is listed in our AEG Inner Barrels category and is priced from $98.99. We aggregate prices from 3 retailers so you can compare and find the best deal. Check the price comparison table above for current pricing from each store.
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