Upgrade your AR-15 with the Strike Industries ambidextrous magazine release. This simple upgrade allows for seamless operation from both sides of the firearm, offering unparalleled convenience and control. With its ambidextrous design, the Strike ambi mag release provides effortless magazine changes with your dominant or support hand. The SI ambi magazine release is compatible with AR15 / M16 pattern firearms and installation is quick and easy. Manufacturer part number: SI-AR-AMBI-MR-BK Allows ambidextrous activation of the magazine release Compatible with standard AR15 / M16 receiver specs Includes: 1 ambi magazine catch, 1 magazine catch spring and 1 Strike magazine catch NOT COMPATIBLE WITH ASC OR STAG ARMS GI MAG