The 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. - Trigger Operation: 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 - FEATURES: Release round can be canceled by simply moving our Patent Pending selector out of Binary mode while holding the trigger back - Easy to install - Positive reset on release phase - Great for competition shooters tactical shooters and recreational enthusiasts - NO SALES TO THE STATES OF NEW YORK DELAWARE and NEW JERSEY