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Mfg Item #: FAR5645A
**Note: This cannot ship to the following states: California, Washington DC, Iowa, North Dakota, New York, New Jersey, and Washington**
Franklin Armory's revolutionary Binary Firing System (BFS) is ideal for three gun competitors, tactical shooters, and recreational enthusiasts. It features a three-position selector - Mode 1 for Safe, Mode 2 for traditional semi-automatic Mode, or Mode 3 for Binary Mode. In Binary Mode, the firearm will discharge one round with every function of the trigger, whether a pull or a release. A user can negate the round that would otherwise be fired during the release function by moving the selector back to Mode 2 and then safely releasing the trigger. Franklin Armory's BFS is easy to install with no custom fitting. The BFS Gen 3 offers a trigger pull of 4.5 lbs. ( /- 0.5 pound), the release phase now has a positive reset, and an updated design eliminates the backup disconnector. The stronger buffer spring (included) reduces the possibility of hammer follow. It works in Franklin Armory's F17 series in .17 WSM without modification. It works on .22LR and 9mm uppers without modification. The BFS works in most AR platforms and calibers including 5.56 NATO, 308 Win, 300 BLK, 9mm, Rimfire, etc.