F-1 Firearms Officially Licensed UDR-15-3G Full Metal M4 Receiver Set (Color: Black) ninja Fiber optic front and rear The rifle also has PW HU M4 svd Style:Red-Black Splash

Fiber optic front and rear sights enhances target acquisition

The Echo 1 combat sight set easily flips down when you want to utilize an optic for better target acquisition

Wired to the stock with Small Tamiya connector) (NOTE: Battery output rating should not exceed 30 amps)

WARNING: Avoid direct eye exposure

Weight: 2520g

F 1 Firearms Officially Licensed UDR 15 3G Full Metal M4 Receiver Set (Color: Black) ninja Fiber optic front and rear The rifle also has PW HU M4 svd Style:Red Black Splash Fiber optic front and rear sights enhances target acquisition The Echo 1 combat sight set easily flips down when you want to utilize an optic for better target acquisition