*Universal applicator gun designed for use with 1:1 ratio 300 mL and 200 mL cartridges. *Features a built-in stabilizing plate for added cartridge support and a heat-treated, durable piston rod. *Includes a precision sintered friction plate and an easy-release star-burst reverse gripping plate for smooth operation. *Equipped with a sturdy zinc alloy handle and a 26:1 thrust ratio for powerful application.