ERGAL BEARING SPRING GUIDE OF III GEN FPS (GM3E)

Ergal bearing spring guide for GEAR BOX of III GEN (GM3E).
100% MARUI compatible
Compatible with most springs on the market.
The nickel-plated AVP spring guide base provides high resistance to the pins and solidity to the rear structure of the GEAR BOX.
For: AK 47, AK 74, AUG, G36, SIG, KURZ / PDW, GALIL