Franklin Armory BFSIII M4-BLR Lower | Binary Trigger | SBM4 Brace

The Franklin Armory BFSIII M4-BLR is a complete AR-style pistol lower configured for range and competition use. It ships with an installed AR‑Essentials binary trigger and an SBM4 pistol brace on a forged 7075-T6 aluminum receiver finished in hard coat anodized black. The package includes a single stainless steel 30-round magazine and is set up for high-capacity target sessions and dynamic stage training.

Product Specifications

• The receiver is made from Forged 7075-T6 Aluminum.
• The finish is Hard Coat Type III Anodized Black.
• The installed trigger is the AR-Essentials Binary Trigger.
• The brace is an SBM4 pistol brace.
• The stated capacity is 30 + 1.
• The package includes 1 30 rd. magazine.
• The magazine is stainless steel, Marlube finished, 30-round, 5.56 NATO.
• The action is listed as Semi-Auto.
• The ATF type is classified as RECEIVER.
• The ATF model is listed as PISTOL.
• The ATF manufacturer is listed as FRANKLIN ARMORY.
• The lower includes a specialized tension screw to eliminate upper/lower play.
• The grip type/material is the SBM4 pistol brace.
• The product condition is listed as New.
• The UPC is 818725013485.

Designed for shooters who prioritize reliable, configurable components, this Franklin Armory lower pairs a durable forged receiver with an industry-recognized binary trigger and a robust SBM4 brace. Its feature set is built for intensive range work and competition-style use where quick follow-up shots and consistent ergonomics matter. The combination of a hardened anodized finish, tensioned receiver fitment, and a stainless high-capacity magazine makes it a practical choice for extended sessions and organized matches.