Description

Echo 1 Plastic M4 Hop Up Chamber

For PLASTIC BODY M4s ONLY

This is the top part of the Echo1 or JG 2-Piece Hop Up Unit for the Echo 1 M4 / M16. This product does not include the feeding nozzle from the magazine to the chamber, this is only the top part which houses the barrel and hop up bucking. This unit only works with the plastic body M4.

Specifications:
Manufacturer: Echo1
Design: M4/M16
Construction: PLastic
***Inner Barrel Not Included***

How to install the hop-up bucking:
Apply some silicone oil inside and outside the bucking when installing onto the barrel and into hop up chamber.

Tech Note: Hop-Up Buckings are wear items and should be changed as often as feasible. And should be replaced when upgrading or anytime the inner barrel is removed from the hop up unit. Small pin holes and tears can occur when removing and reinstating used buckings.