Shield Arms SA-15 .223 Remington AR Lower, Black - SA15SLUB5

This Shield Arms SA-15 Complete Folding Lower Receiver with B5 Bravo Stock is a semi-automatic rifle lower designed for AR-15 builds, featuring a patented integrated folding stock mechanism for enhanced portability and compact storage. Engineered from precision-machined 7075-T6 aircraft grade billet aluminum, this receiver eliminates the need for aftermarket adapters while remaining compatible with most standard AR-15 components and aftermarket parts. The SA-15 features a matte black hard-coat anodized finish per Mil-8625 Type 3 Class 2 standards, with a multi-caliber marking for maximum build flexibility. It ships as a complete lower assembly, ready with a B5 Systems Bravo stock, B5 grip, EDT trigger, Shield Arms ambidextrous safety selector, and an H2-weight proprietary buffer for reliable operation. Additional enhancements include a precision-machined magazine well with beveled feed lips for smooth magazine changes, an upper tension screw to eliminate receiver play, and threaded pins for both the bolt catch and takedown pin spring for improved durability and ease of maintenance. Integrated folding mechanism for compact storage, no adapter needed Precision-machined 7075-T6 billet aluminum construction Ships complete with B5 Bravo stock and proprietary buffer Ideal for AR enthusiasts and builders seeking a premium, space-saving foundation for their next rifle, the Shield Arms SA-15 Complete Folding Lower Receiver combines innovative engineering with rugged materials to deliver performance and versatility. Its advanced features position it as a cutting-edge choice for AR-15 platforms.