Franklin Armory Libertas Complete AR-15 Billet Lower W/ Franklin BFSIII Binary Firing System

Original price was: $629.99.Current price is: $528.88.

Franklin Armory Libertas Complete AR-15 Billet Lower W/ Franklin BFSIII Binary Firing System ,you’re customizing a range rifle, prepping a competition build, or enhancing your tactical setup, this is a foundation you can trust.

Description

Franklin Armory Libertas Complete AR-15 Billet Lower W/ Franklin BFSIII Binary Firing System

Take your AR build to the next level with the Franklin Armory Libertas Complete Lower Receiver, featuring their powerful BFSIII™ Binary Firing System. This precision-machined billet lower offers uncompromising performance, enhanced ergonomics, and a revolutionary fire control group that delivers one round on pull and one on release—doubling your rate of fire while maintaining full semi-auto control and safety.

Crafted from aircraft-grade 7075-T6 aluminum and finished with a durable hardcoat anodizing, this multi-caliber lower is ready to pair with any MIL-SPEC upper for a next-level range or tactical build.

Franklin Armory Libertas AR-15 Complete Billet Lower – BFSIII Binary Firing System | Multi-Caliber | Tactical-Grade Performance

Franklin Armory”s custom designed billet lowers are now available! This design incorporates integrated ambidextrous, anti-rotational Quick Detach sling mounts. On the magwell, forward of the trigger is a textured Memory Index Point for safely resting the trigger finger when not ready to fire.

The magazine well is also enlarged and beveled to facilitate quicker magazine changes. The integral trigger guard is over-sized to allow room for larger hands or gloves. The front of the magazine well is also textured to allow it to be used as a grip for forward support. These Built Lower Receivers come with a carbine length, 6-position collapsible stock buffer tube without any stock installed. This allows the customer to install whatever stock they prefer without paying for a generic one that they may likely remove anyway.

Key Features for Franklin Armory Libertas Complete AR-15 Billet Lower W/ Franklin BFSIII Binary Firing System:

  • Trigger System: Franklin BFSIII Binary Firing System Gen 3 – safe, semi, and binary firing modes

  • Receiver Construction: Precision-machined 7075-T6 billet aluminum

  • Finish: Black Type III hardcoat anodized for long-lasting durability

  • Compatibility: Works with all MIL-SPEC AR-15 upper receivers

  • Caliber: Multi-caliber – compatible with .223 Rem, 5.56 NATO, and more

  • Included Components: Ambidextrous safety selector, enhanced trigger guard, complete lower parts kit, and buffer tube assembly

  • Made in the USA by Franklin Armory – a leader in performance AR platforms

Why Choose the Franklin Armory Libertas Lower?


For shooters who want maximum control, precision engineering, and increased rate of fire, the Franklin Armory Libertas complete lower with BFSIII is the ultimate upgrade. Whether you’re customizing a range rifle, prepping a competition build, or enhancing your tactical setup, this is a foundation you can trust.

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