Prometheus NGRS (Next Gen Recoil Shock) EG Spring Guide for M4

The Prometheus Spring guide for NGRS M4’s is a strengthened replacement part for the Tokyo Marui M4 NGRS system. The spring guide is made of multiple materials including metal and polymer. The spring guide is a good idea for anyone trying to upgrade an NGRS M4 system and put a stronger spring system in it that needs some reinforcement.

Features

• Metal and polymer build
  
  

Specifications

Color Black/Silver

Material Polymer, Metal

System Tokyo Marui NGRS M4’s