Franklin Armory BFSIII AR-S1 Trigger - Easy-To-Install, Three Modes, Reduces Split Times, Enhanced Buffer Springs

$389.99

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We offer standard, 3 day express, 2 day express, and overnight express shipping options for your convenience. If you place your order Monday - Friday by 2:00 PM EST using one of our express shipping options, your order will be processed and shipped the same day it is placed!

Applies to delivery within the 48 contiguous states only.
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Expected Arrival: 10/01/2021

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Out of Stock Notification


52 FR1450 is backordered and is expected by: 10/01/2021


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  • One of the fastest triggers on the market, it’s great for competition shooters, tactical shooters, and recreational enthusiasts
  • The easy-to-install trigger has a smooth pull of 4 1/2 lbs, +/- 1/2 lb and also has a positive reset on release phase
  • The AR-S1 trigger comes with the straight flat-faced trigger and the enhanced buffer springs offer optimal flexibility

This Item Cannot Ship to the Following States: CA, DC, IA, NJ, NY, WA, DE, HI, FL, MD, CT, VT, RI


The Franklin Armory BFSIII Binary Firing System GEN 3 is a three-position trigger for AR platforms, which is ideal for both tactical and competition use. It features a three position selector that allows the user to switch from Mode 1 for safe, Mode 2 for traditional semiautomatic or Mode 3 for binary mode. In the binary mode position, it will fire one round on pull and one round on release, making it one of the fastest semi-automatic triggers on the market. The release round can be canceled by simply moving the patent pending selector out of Binary mode while holding the trigger back. The BFSIII provides greatly reduced split times between rounds, allowing for tighter groups. It works in most AR platforms and calibers including 5.56 NATO, 308 Win, 300 BLK, 9mm and Rimfire.

52 FR1450


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