Constructed of lightweight, yet durable polymer, the Mantis® Beretta® 92 FS / M9 – Magazine Floor Plate Rail Adapter is a drop-in replacement floor plate for stock Beretta 92 magazines, designed to mount the Mantis training system on your non-rail-equipped pistol for safe, cost-effective target practice and trigger discipline training. Better yet, this lightweight adapter offers easy, frustration-free installation and removal. Made in USA.