Lancer Tactical CA-623 Japanese Certified Quenching Spring, M170

Currently out of stock across all retailers.

M170 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 For Use with Various AEGs