Notice - This item is currently No Longer in Production by FN.
When a New or Replacement Model is available, this website item will be updated.
Important, Aftermarket binary triggers such a Franklin Armory will NOT work in the M249S (any style or variation).
FN M249 Trigger Mechanism.
Color, Black.
Not Available.
Buy M249S Binary Trigger Overview:
M249S Binary Trigger. This trigger mechanism includes major components such as the trigger frame, trigger, trigger guard, sear, safety, and pistol grip. For use on the 5.56x45mm M249 SAW, M249S, M249 PARA, and MINIMI whether manufactured by FNH, FN Herstal, FNH USA, or FN America.
This is a factory original FN part made to the same high standards as the parts already in your FN firearm. FN America factory parts and accessories are made with the same quality in materials and workmanship that you have come to expect and also trust from FN America.
This trigger mechanism includes:
Safety
Sear
Sear Pin
Trigger Mechanism Retaining Spring
Pistol Grip
Trigger Guard
Trigger Assembly
Trigger Pin
Trigger Spring
Trigger Module Pin
Front Trigger Guard Pin
Manufacturer: FN America
M249S Binary Trigger Specifications:
Brand: FN America
Caliber: .223Rem, 5.56x45mm (NATO 556 Rounds)
Finish / Color: Black
Firearm Type: Rifle
Material: Aluminum,Polymer,Steel
Models Fit: M249 SAW, M249S, MINIMI
FNs Overview and Pre-Quesions about owning their Binary Trigger Assemble Mechanism -
A binary trigger increases a weapon’s firing speed. Unlike a bump stock, it is legal in most states. It allows a firearm to shoot one bullet when the trigger is pulled and one when it releases.
Are binary triggers worth it?
nope. Aslo, the trigger has to be fully pulled back for the release to fire. Let’s say the trigger breaks at 50% of the travel distance, if released right at the break it’ll fire one shot only. The awkward pumping of the trigger takes some getting used to and still isn’t very accurate.
Will they ban binary triggers?
The Senate Bill Number 8 was amended to include a “rapid fire device” that is any device or accessory that can be added to a semi-automatic weapon to increase the rate of fire, which definitively bans binary triggers.
Are binary triggers practical?
Binary triggers allow you to shoot numerous rounds rapidly. Almost as if shooting with a fully automatic gun. This can be useful in many situations, and also more importantly, it can be a lot of fun at the range! Getting your hands on one is relatively easy in most states.
Can you bump fire with a binary trigger?
Adding a bump stock to a rifle equipped with a binary trigger would most likely cause malfunctions. The rifle simply wouldn’t fire. The Franklin Arsenal binary trigger is meant to be run fast, but not too fast.
Can the M249 be Mag Fed
The M249 is a gas-operated, belt/magazine-fed, air-cooled, automatic, and also shoulder-fired weapon. Like the M240B machinegun, the M249 fires from the open-bolt position. It can fire ammunition from an M16 magazine as well as from a linked belt. (closed bolt, semi automatic version, belt fed, franklin armory ).
FAQ On Binary Triggers
Why would you want a binary trigger?
A binary trigger increases a weapon’s firing speed. Unlike a bump stock, it is legal in most states. It allows a firearm to shoot one bullet when the trigger is pulled and one when it releases. A 30-round magazine can be emptied in about three seconds (FN M249S semi auto).
 
You will have the same cardinal directions for SAFE/SEMI/FULL they just add Binary to the 6 o’clock position. According to Sun, Binary mode is reached by rotating the selector up from safe. Also, you cannot continue to Full Auto from Binary.
What does it mean when a AR has a binary trigger?
A binary trigger is a replacement trigger that features two modes of firing, semiautomatic and also binary or “echo” in the case of one brand. This binary trigger mechanism allows the user to fire whenever you pull the trigger and then to fire again with the release the trigger.
How fast are binary triggers?
Depending on the gun, they can fire between 400 to 800 rounds per minute. According to the Gun Control Act of 1968 and also the National Firearms Act of 1934, bump stocks and similar devices are classified as “machine guns.” Machine guns enable a shooter to start continuous firing with a single trigger pull.
Can a gun shoot if the trigger is not pulled
It is exceedingly rare for a gun to fire without the trigger being depressed. Modern firearms, even replicas of antique guns, have safeties specifically designed to prevent them from firing without the trigger being pulled.
This triiger is made by FN so you know it will fit your M249S.
Sorry, all prices are subject to change depending on availability and manufacturer increases.
Ships UPS Ground to your home, no FFL Required.
Use of Licensed Gunsmith highly recommended.
Any questions about use or to place an order, please contact us -

JS Firearms Sales & Accessories, LLC

Phone: 480 612 4799

Email: bestbuy4guns@gmail.com

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