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War Lock Upgrade Kit TabbedWar Lock Multiple Caliber System



War Lock Upgrade Kit

The War Lock™ transforms your AR platform into the Multiple Caliber System. The AR platform can fire over 90 calibers in its stock configuration. With the War Lock™, the operator can select different calibers without the need for dedicated upper receivers for each barrel assembly.

Installation Videos

Barrel Adapter Kit -1War Lock Multiple Caliber System



Barrel Adapter Kit

War Lock™ compatible barrels will need the Barrel Adapter Kit to connect with the receiver. Barrel Adapter Kits are used to make complete barrel assemblies. Once installed, it should never need to be removed. It’s the affordable solution for multiple caliber barrel builds.

Manufactured from the same high quality billet steel as the complete War Lock™ Multiple Caliber System, the Barrel Adapter Kits are the “barrel half” of the system. They are engineered and built to be durable and last for decades to come.

Installation Videos