Shield Arms SA-15 Complete Folding Lower Receiver, Multi-Caliber, Black Anodized - SA-SA15FB

Semi-automatic complete folding lower receiver for AR-15 platforms, chambered in .223 Remington/5.56 NATO with multi-caliber marking. Machined from 7075-T6 aircraft-grade billet aluminum with matte black hard-coat anodized finish per Mil 8625 Type 3 Class 2, featuring a built-in folding mechanism (not an adapter) for compact storage. Includes B5 Systems Bravo stock, H2 proprietary buffer weight, and accepts standard AR-15 magazines with precision-machined magazine well.