Franklin Armory 5645A BFSIII AR-S1; AR-15 Binary Straight Trigger

The Franklin Armory BFSIII AR-S1 is a 3-position straight trigger for AR-15 platforms, offering Safe, Semi, and Binary modes. In Binary mode (position 3) it fires one round on pull and one on release, providing a faster shooting experience. The trigger pull weight is 4.5 pounds (range 4.5–5 lb), with a crisp pull and an audible reset on release. It installs easily with no proprietary bolt carrier group required and works with most AR platforms and calibers including 5.56 NATO, 308 Win, 300 BLK, 9mm, and rimfire. The BFSIII uses enhanced buffer springs for improved reliability. This item cannot ship to California, the District of Columbia, Iowa, New Jersey, New York, Hawaii, Rhode Island, Flordia, Maryland, Connecticut, Washington, Oregon, Massachusetts. In Delaware may only be used in pistol platforms.