Franklin Armory BFSIII Black Anodized Aluminum Lower Receiver

The Franklin Armory BFSIII Libertas Billet Lower Receiver is a premium upgrade for AR-platform rifles, designed for shooters who demand top-tier precision, reliability, and functionality. Machined from high-strength 7075-T6 aluminum and finished with a durable Type III black hard coat anodizing, this lower receiver combines cutting-edge design with the advanced Franklin Armory Binary Firing System. Featuring ergonomic enhancements and ambidextrous controls, it’s built for tactical performance in any environment.

Key Features

• Proprietary Libertas Billet Design: Crafted from 7075-T6 aluminum for superior strength and precision fitment.
• Franklin Armory BFSIII Binary Trigger: Offers enhanced firing control by shooting on both trigger pull and release, increasing versatility and responsiveness.
• Type III Hardcoat Anodized Finish: Provides excellent corrosion resistance and a sleek, professional black appearance.
• Flared Magazine Well: Enlarged for faster, smoother magazine changes under pressure.
• Ambidextrous QD Sling Mounts: Integrated push-button sling attachment points for left- or right-handed shooters.
• Cold Weather Trigger Guard: Oversized and integral to allow use with gloves or larger hands in tactical environments.
• Serrated Memory Index Point: Offers tactile feedback and safe finger placement when not on the trigger.
• Textured Front Grip Surface: Designed for offhand support to improve control and accuracy.
• Specialized Tension Screw: Eliminates upper/lower receiver play for a rock-solid fit and improved accuracy.
• Ergo Ambi Sure Grip: Delivers a comfortable, non-slip grip adaptable for any shooter.
• Magpul PMAG P30 Magazine: Included 30-round magazine known for reliability and durability.
• B5 SOPMOD Stock: Rugged and adjustable six-position stock installed on a MILSPEC diameter receiver extension for optimal comfort and customization.

Specifications

• Brand: Franklin Armory
• Model: BFSIII Libertas
• Category: Lowers
• Handedness: Ambidextrous
• Receiver Material: 7075-T6 Aluminum
• Receiver Finish: Black Hardcoat Type III Anodized
• Trigger System: Franklin Armory Binary Firing System
• Grip Type: Ergo Ambi Sure Grip
• Stock Type: B5 SOPMOD Stock
• Receiver Extension: MILSPEC Diameter, Six-Position
• Magazine Included: Magpul PMAG P30 (30-Round)
• Additional Features: Flared magwell, QD sling mounts, serrated memory index point, tension screw

Conclusion

• The Franklin Armory BFSIII Libertas Billet Lower Receiver is a high-performance foundation for any serious AR-15 builder or enthusiast. With precision billet construction, advanced ergonomic features, and the revolutionary BFSIII binary trigger system, this lower is built to exceed expectations in both function and feel. Whether for tactical use, competition, or personal defense, the Libertas lower receiver delivers unmatched reliability and versatility for your next AR build.