Meandros Trigger Mechanism Nitro SLThe Nitro SL is an ergonomic inverted mechanism of superior design, with one vertical and two horizontal mounting points. Sturdy construction with minimum profile and working length, minimum space required for installation within the body of the handle. It has a built in automatic horizontal and bilateral line release which is on the back of the mechanism. The position of the line release at the back of the mechanism contributes to not reduce the