Uncle Mike's 12312- The QD Swi vel, 115 MCS - Fits Beretta 39
Uncle Mike's Now has special adapter for Beretta 390 magazine cap adapter also included for most pump and auto magazine caps wood screw base for butt stock - Does not fit Browning 2000, Winchester 1400, Ithaca 37, Savage 30, Sears 21 or Stevens pumps Installs without dismantling gun. 1/2 deepthreaded wood screw fore end base.