The Binary Firing System ™ GEN 3 (BFSIII™) is a 3-position trigger. In position 3 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 greatly reduced split times between rounds, allowing for tighter groups.
Warning:
Please make sure the item is legal in your state before buying! This is the buyers responsibility.  
Not for civilian sales in CA, CT, DC, FL, HI, IA, MD, NJ, NY, RI, and WA 
In Delaware may only be used in pistol platforms.
NEVER ALTER ANY INTERNAL COMPONENT OF THE BFS™.
Improper installation, use, or tampering with the BFS™ will void the warranty and MAY LEAD TO UNINTENTIONAL DISCHARGE OF THE FIREARM THAT MAY LEAD TO INJURY OR EVEN DEATH.
No refunds will be issued . 
By purchasing this product, you are accepting responsibility and liability for the serviceability of the final installation. 
AFTER THE BFS™ HAS BEEN PROPERLY INSTALLED, IT IS IMPERATIVE THAT ALL USERS SEEK QUALIFIED TRAINING ON HOW TO USE THESE PRODUCTS.