Shield Arms SA-15 Complete Folding Lower Receiver SA-SA15FB Rifle Multi-Caliber Black B5 Bravo Stock, Built-In Folding Mechanism, 7075-T6 Aluminum

Shield Arms SA-15 Complete Folding Lower Receiver with B5 Bravo Stock is a semi-automatic AR-15 lower designed for multi-caliber builds and features an integrated folding stock mechanism for portability. Machined from 7075-T6 billet aluminum with a matte black hard-coat anodized finish per Mil-8625 Type 3 Class 2 standards, it ships as a complete lower assembly ready to accept standard AR-15 components. Includes a B5 Bravo stock, B5 grip, EDT trigger, Shield Arms ambidextrous safety selector, and an H2-weight proprietary buffer. Additional enhancements include a precision-machined magazine well, an upper tension screw to eliminate receiver play, and threaded pins for the bolt catch and takedown pin springs for durability and ease of maintenance.