Airtech Studios speed trigger conversion kit for G&G M4 & PCC9 with ETU (cm16)

New trigger spacer to install on ETU trigger unit M4 , Cm16, Pcc9, GC16, ARP rifles
enable the popular touch screen function with immediate pression response
neither safety or burst function are affected by the conversion
for G&G rifle with Ver.2 gearbox and ETU unit only

Included parts:
-Trigger spacer
-Screw