Gunsmith Install Post-2017 Magazine Locking Device and Takedown Pin Replacement

This gunsmith service covers the installation of a Post-2017 compliant magazine locking device(Juggernaut Hellfighter, ARMaglock w/ KingPin). For some compliant devices, you will need to provide your upper receiver for proper fitment. Please ensure your upper receiver is unloaded and detached from your lower prior to this service.

*This service DOES NOT include the required components and must be supplied. If you are unsure if any additional parts are required please call or email prior to placing your order.

This service covers the installation of a provided rear takedown pin.

NOTE: Fixed Magazine devices such as the Juggernaut Hellfighter and ARMaglock require both the upper and lower receiver for proper fitment. Failure to include the upper will result in delayed work.

Compatibility Note: The Juggernaut Hellfighter's spring loaded takedown pin is only compatible with lower receivers with a spring/detent channel located at the rear of the receiver. Lower receivers with a channel located near the pistol grip tang are not compatible with this type of takedown pin.

This service only overs the cost of installation, parts not included. If you are unsure if any additional parts are required please call or email prior to placing your order.

Gunsmith services currently have a 3-4 days minimum turnaround, excluding weekends and transit times(shipped in work orders). Turnaround times may vary by store location.

*Note For Shipped In Orders: Customer is responsible for actual return shipping once gunsmith work is complete. Once your work order is complete, an associate will contact you for actual shipping charges.