Ergal bearing spring guide for third generation GEAR BOX (GM3E).
MARUI 100% compatible.
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.
Designed for: AK 47, AK 74, AUG, G36, SIG, KURZ / PDW, GALIL
100% MADE IN ITALY
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