The Shield Arms SA-15 is a complete folding lower receiver designed for builders who require compact storage and broad AR-15 component compatibility. It is machined from 7075-T6 aircraft-grade billet aluminum and ships with a B5 Systems Bravo buttstock and a proprietary H2 weight buffer. The receiver includes a built-in folding mechanism (not an adapter) and carries a matte black hard-coat anodized finish per Mil 8625 Type 3 Class 2. Caliber is marked “MULTI” and the lower accepts standard AR-15 magazines.
Key Specifications
- The receiver features a built-in folding mechanism for compact storage (not an adapter).
- Machined from 7075-T6 aircraft grade billet aluminum.
- Includes a proprietary H2 weight buffer as shipped.
- Accepts standard AR-15 magazines.
- Finished in matte black hard-coat anodize per Mil 8625 Type 3 Class 2.
- The receiver is marked “MULTI” for caliber designation.
- Equipped with a B5 Systems Bravo buttstock.
- Configured with a Radian Safety Selector.
- Includes a precision machined magazine well with beveled feed lip for smoother reloads.
- Weight is 2.45 lbs.
Designed for builders who need a durable, compact lower with broad parts compatibility, the SA-15 combines billet construction, Mil-spec finishing, and integrated folding capability. Its standard AR interface and included hardware make it suitable for a wide range of AR-15 builds where a folding solution and reliable fit are priorities.
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