The Present Arms Armorer's Plate for Glock Pistols is ideal for the professional Armorer, Military, Law Enforcement or civilian who maintains the Glock series Pistol. Strategically cut to assist the armorer providing an ergonomic hands free work station for pin/part removal and complete disassembly of the firearm. Mission specific cuts to hold the frame left and right side down for pin removal / installation. The system comes complete with a universal magazine mount and swivel enabling 360 degree rotation and access for cleaning and repairs. Will not work with Glock Gen 5 per manufacturer Mfg: Present Arms Inc