Perun ETU MOSFET for TM/CYMA M14 Recoil Springs & Assembly You can use the link

You can use the link below for installation instructions on this drop-in system

rear sight

simulated bolt

the H-22 STC takes things to the next level and brings a more tactical aesthetic to the platform thanks to the HERA Arms Real Steel Chassis

Perun ETU MOSFET for TM/CYMA M14 Recoil Springs & Assembly You can use the linkPerun for M14 (Tokyo Marui CYMA) replaces stock trigger block with our own housing that includes integrated Clicker and Perun electronic board. It introduces magnetic trigger detection and optical selector and sector gear detection for most reliable operation and impressive trigger response. Built in adjustable Clicker allows to set the trigger exactly according to your preferences in terms of pretravel, overtravel and trigger break force. Programming