The King Arms TWS (Training Weapon System) is part of King Arm's "Elite" line of electric airsoft guns. Being part of their top end, these guns are designed to deliver great performance and high degrees of shootability.

The TWS M-LOK limited edition goes one step further and made lightning cuts to its receivers for added weight reduction, all the while giving it a high-speed look. The gearbox features a shiny gold finish and stands out from an otherwise all black gun.

Internally the gun features a version 2 gearbox and will be compatible with other gears and parts designed for that specific version. The gearbox has a quick change spring system for easy power upgrades and comes standard with a MOSFET.