Cybergun / VFC FNX .45 - FDE / Black HK416D the standard UAR501 is a

the standard UAR501 is a medium size CQC gun

called RTS (Transform Rail System)

From the factory the main spring installed by default by Specna Arms pushes the FPS to around 420

Metal slide with Novak style Front & Rear sight

The front sight has a green fibre optic style insert

Cybergun / VFC FNX .45 - FDE / Black HK416D the standard UAR501 is aFN FNX . 45 Pistol GBB FDE Black FN FNX . 45 pistol replica was manufactured by CyberGun in Taiwan by the acclaimed VFC. Thanks to the full license from FN, one can feast ones eyes on the trademarks, engraved on the slide. The FNX . 45 is a gas powered replica (Green Gas), which is characteristic for its uniquely large realism as well as precise craftsmanship. Metal and polymer were used during its production. Metal parts include: the slide and