Knight's Armament Co URX 4 Free Float Rail System for M4 / M16 Series Airsoft AEG Rifles - 13" / Black
The KAC URX 4 Rail is a fully modular design that utilizes the revolutionary KeyMod accessory mounting system. The URX 4 Rail is stronger and more stable than previous URX designs due to its one piece construction. It is also lighter due to its Integral Barrel Nut (IBN) system of attachment. The IBN system allows the rail itself to act as the barrel nut when torqued onto the rifle, completely eliminating the need for a separate steel barrel nut. KeyMod accessories may be mounted anywhere along the URX 4's length, making it one of the most user configurable designs on the market.
Features:
- Fully licensed by Knight's Armament Company
- Made from CNC milled aluminum
- Matte black anodized finish
- 20mm Picatinny top rail
- Compatible with airsoft spec. KeyMod systems
Length: 13"
Compatibility: For Tokyo Marui, Matrix, G&P and other compatible M4 / M16 Series Airsoft AEG Rifles
Material: CNC Milled Aluminum
Manufacturer: Knight's Armament Co.