Beretta PX4 Sub Compact Magazine Adapter Black The adapter adapts the full size PX4 magazine for use in PX4 Sub-compact pistol.
1) to assemble: slide the adapter down over the full size factory magazine tube until the adapter seats firmly against the floor plate.
2) to disassemble: squeeze the adapter from front to back, then slide the adapter up and off of the magazine.
No Tools Required.
Made in the U.S.A. - Magazine sold separately.