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Franklin Armory
Overview
The Franklin Armory BFSIII Binary Firing System Curved Trigger offers a unique binary firing mode for your AR-15, allowing the shooter to fire on pull and release. This trigger features a flat trigger bow, which can enhance the shooter's control and comfort during rapid fire scenarios. Commonly found in builds with a carbine gas system and chambered in 5.56 NATO, this trigger is ideal for those looking to maximize their firing efficiency.
Franklin Armory BFSIII Binary Firing System Curved Trigger for AR
Prices checked
Franklin Armory BFSIII Binary Firing System Curved Trigger for AR ranked #31 of the 262 triggers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #29 of the 555 triggers builders have added. Builds with this trigger are split between 5.56 NATO (51%) and 300 Blackout (23%), split between mid-length (42%) and carbine-length (31%) gas systems, and mostly AR-15 (89%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 5 retailers we track have it in stock. It dipped to $386.99 at Ammunition Depot for a stretch in October 2026, well under its usual $429.99, so sales do come around. Buying today, the lowest price is $386.99 at BattleHawk Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every trigger by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Trigger Popularity Report →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Franklin Armory BFSIII Binary Firing System Curved Trigger for AR
| Build | Parts | Total |
|---|---|---|
![]() | 24 | $3791.02 |
| 16 | $2457.93 | |
![]() | 20 | $2432.45 |
![]() | 10 | $4921.60 |
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