Franklin Armory 5762A: This incredible Binary Firing System GEN 3 (BFSIII) is a 3-position trigger. In position three, it fires one round on pull and one round on release, making it the fastest semi-automatic trigger on the market. This trigger is ideal for both tactical and competition use. The BFSIII provides significantly reduced split times between rounds, allowing for tighter groups. This is designed to fit onto most AK-9 platforms. Please see the extended description for complete details.