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