FPS Guide Spring Bearing in ergal of Second version (GM2E)

Guidamolla Bearing in Ergal for second generation Gear Box (GM2E).
Marui compatible to 100%. The shape of the rod makes it 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.
100% MADE IN ITALY