We have a Franklin Armory BFSIII AR-S1-AR Platform-Straight Trigger for sale.  It comes in box with the factory package. Check out the spec's below:

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 this trigger ideal for both tactical and competition use. The BFSIII provides greatly 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
Smooth trigger pull: 4.5 lbs, +/- 0.5 lbs
Positive reset on release phase
Enhanced buffer springs for optimal flexibility
Works in most AR platforms and calibers including 5.56 NATO, 308 Win, 300 BLK, 9mm, Rimfire, etc....
Compatible with most Bolt Carrier Groups (BCG)
Great for competition shooters, tactical shooters, and recreational enthusiasts
The AR-S1 trigger comes with the straight flat-faced trigger.
NO SALES TO THE STATES OF NEW YORK, DELAWARE, and NEW JERSEY

Priced at $386.99.

Click Here to Buy It Now.

SDS Guns