This is a strengthened catch spring for Elite Alpha Trooper.
To prevent accidental discharges upon installing the EAT / Rampage / Retaliator V2 spring.
Do note that Black Technology is not responsible for your gun if you were to spoil it when modding the gun.
If any modding services is required, do contact us via email.
Remember not to dry fire your guns after doing mods.
FOAM MOD FAQ Click HERE