12GA to 9MM Luger Shotgun Adapter - SMOOTH BORE-Stainless - Free Case & Shipping

This adapter gives your 12 Gauge single or double shot break open shotgun the ability to fire a 9MM bullet (standard 9mm Luger - 9x19). This adapter is precision machined from high quality stainless steel to the OD specifications of a 2 3/4 12GA shell.