ASG Steel Bearing Spring Guide for EVO 3 Thread Pattern_14mm CCW Quality Tokyo Marui brand means

Quality Tokyo Marui brand means reliable feeding every time

High quality ABS plastic construction with metal parts

it is now CNC'd steel

SAMURAI EDGE LAW ENFORCEMENT USE ONLY" on the right side

ASG Steel Bearing Spring Guide for EVO 3 Thread Pattern_14mm CCW Quality Tokyo Marui brand meansUpgraded spring guide for the EVO 3A1. This upgraded spring guide has a core of high tension steel, making it capable of handling any power spring one could wish to install in the EVO. The outer part of the guide rod has a free rotating sleeve made in POM polymer, which protects the spring from unnecessary wear and heat build up, as well as minimizing friction. In combination with a supported pressure bearing, this spring guide will handle any power