Franklin Armory BFSIII Equipped PISTOL Complete AR15 Lower Receiver - Black | Installed AR-ESSENTIALS Binary Trigger | SBM4 Brace
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Franklin Armory
Overview
The Franklin Armory BFSIII Equipped PISTOL Complete AR15 Lower Receiver is designed for builders looking to enhance their AR-15 platform with a fully assembled lower that includes the AR-ESSENTIALS Binary Trigger. This setup allows for rapid fire capabilities, switching between semi-automatic and binary modes, which can significantly increase your rate of fire while maintaining control and accuracy. This lower receiver is commonly found in builds aimed at maximizing performance and versatility, making it a popular choice for competitive shooting and tactical applications.
Specifications
Franklin Armory BFSIII Equipped PISTOL Complete AR15 Lower Receiver - Black | Installed AR-ESSENTIALS Binary Trigger | SBM4 Brace
September 2026 on GunPartPicker
Franklin Armory BFSIII Equipped PISTOL Complete AR15 Lower Receiver - Black | Installed AR-ESSENTIALS Binary Trigger | SBM4 Brace ranked #248 of the 477 lower receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #189 of the 1,135 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (80%, then .223 Wylde 20%), mostly on carbine-length gas (75%, then mid-length 25%), and nearly all AR-15.
Today all 3 retailers we track have it in stock. Buying today, the lowest price is $377.99 at BattleHawk Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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