The universal design of this pistol makes it readily available for aftermarket Tokyo Marui Hi-Capa upgrades and accessories

Unique rear serrations for easy racking

allowing fast in-the-field spring changes to adjust to field regulations

On a trigger pull

LENGTH: 30

Lancer Tactical CA-623 Japanese Certified Quenching Spring, M170 Hi-Capa Magazine Release The universal design of thisM170 AEG Spring Japanese Black Steel. One of our most popular airsoft upgrade springs! Very high quality steel made spring to get your gun running a high FPS. Fits in all standard gearboxes. This is your standard upgrade spring strength for upgrades. This is a non linear spring utilizing Japanese made steel spring material. Black color to differentiate spring types Comparable to SHS TH1030 Alloy steel construction Tempered Si Cr Sturdy and Balanced