For high pressure air use ONLY. Fill from the regular 850PSI regulated HPA paintball tank, using the upper part of the “FiSt-2”.
This device will launch the projectiles as far as our shelless grenade launcher TAG-ML36 upgraded with HPA extension kit. Air temperature and humidity won’t affect the velocity and ballistics of the shot anymore. The similar ballistic of TAG-ML36 launcher and “Shell-HPA” allow you to use TAG-ML36 aiming device with any other grenade launcher.