Shield Arms SA-15 Folding Lower w/ B5 Bravo – Black

The Shield Arms SA-15 is a complete billet lower receiver engineered for AR-15 platform assemblies. It incorporates a built-in folding mechanism and ships with a B5 Systems Bravo rifle stock for compact transport and storage. The receiver is machined from 7075-T6 aircraft-grade billet aluminum and finished in matte black hard-coat anodize per Mil 8625 Type 3 Class 2. The receiver is marked "MULTI" while some listings include 5.56/300BLK designations.

Key Specifications

• The receiver is machined from 7075-T6 aircraft-grade billet aluminum.
• Includes a built-in folding mechanism for compact storage.
• The buttstock is a B5 Systems Bravo.
• The finish is matte black hard-coat anodized per Mil 8625 Type 3 Class 2.
• Ships with an H2 weight proprietary buffer.
• Accepts standard AR-15 magazines.
• Caliber marking on the receiver is MULTI.
• The safety component is a Radian Safety Selector.
• Features include EDT Designated Marksman with Duplex Trigger Bow and a threaded bolt catch pin (hardware included).
• Compatibility: Designed to work with most standard AR-15 components and aftermarket parts.

This complete billet lower pairs durable materials and practical features for builders creating compact, folding AR-15 configurations. Its combination of billet construction, integrated folding mechanism, and broad parts compatibility make it a straightforward choice for assemblies that prioritize robust hardware and modularity.