ECHO1 - M28 Hop Up Bucking

Features:

• OEM replacement part
• Easy to install
• Allows for maximum adjustment
• Increases performance 

Manufacturer:  Echo 1 

Specifications:  

 Size:  0.25” X  0.25” X 0.5 ” IN

Weight:  1 OZs

Compatibility: Echo1 M28

Material:  Rubber

Package Includes: 1: Hop up bucking