Franklin Armory | BFSIII Binary Firing System | Multi

The Franklin Armory Binary Firing System GEN 3 (BFSIII) is a 3‑position trigger. Position 1: Safe, will not fire. Position 2: Semi, fires 1 round per pull. Position 3: Binary, fires 1 round on pull and 1 round on release. The release round can be canceled by moving the patented selector out of Binary mode while holding the trigger back. The BFSIII HK‑C1 fits most HK 91, 93, and MP5 variants and clones. Trigger pull about 4.5 pounds. Ambidextrous safety selector. Selector fits most two- and three‑position trigger housings. Works in SP5K housings. Trigger housing, ejector, ejector pin, and ejector spring are not included. Some firearms may require additional fitting. Franklin item 05‑50000‑BLK.