F-1 Firearms Officially Licensed UDR-15-3G Full Metal M4 Receiver Set (Color: Black) ninja so you can adjust the Style:Red-Black Splash PW HU M4 svd The rifle also has

so you can adjust the pressure per square inch to change the velocity of the BBs coming out

The Valken Zulu Wire Mesh Mask is a full cover airsoft mesh mask

Rear sight can be removed to install micro dot sights

No modification of gearbox shell needed

Fiber optic front and rear sights enhances target acquisition

F 1 Firearms Officially Licensed UDR 15 3G Full Metal M4 Receiver Set (Color: Black) ninja so you can adjust the Style:Red Black Splash PW HU M4 svd The rifle also has so you can adjust the pressure per square inch to change the velocity of the BBs coming out The Valken Zulu Wire Mesh Mask is a full cover airsoft mesh mask