Echo 1 USA

Features & Specs: Manufacturer: Echo1 Name: N4 Mod1 MK18 Style Airsoft Gun Color: Black, Tan, Gray BB Velocity: 330-350FPS w/ .20g BBs Front: Metal MK18 Style Rail System Receiver: Nylon...

The Echo1 ST6 M4 is one of Echo1’s most popular M4 AEG. Here we will look at the features and specs of this AEG. From the front of the gun, the ST6 M4 comes with a plastic orange bird cage...