The Sharps Bros The Jack Gen2 is a billet AR-15 stripped lower receiver machined from 7075-T6 aluminum and finished with a black hardcoat anodize. It incorporates functional refinements such as a threaded bolt catch pin, an oversized integral trigger guard, and a beveled magazine flare for smoother reloads. The receiver is marked as multi-caliber and is designed for compatibility with mil-spec internal parts and common magazines.
Key Specifications
- The receiver is CNC machined from 7075-T6 billet aluminum for durable construction.
- Finish is a black hardcoat anodized surface for corrosion and wear resistance.
- The lower ships stripped, requiring a lower parts kit, buffer assembly, and stock to complete the build.
- Weight is approximately 11.1 oz for a lightweight foundation.
- It includes a threaded bolt catch pin for enhanced serviceability.
- Features an oversized integral trigger guard to accommodate gloved operation.
- Design is multi-caliber marked to indicate compatibility with multiple upper assemblies.
- Compatible with mil-spec internal parts and aftermarket mil-spec upper receivers.
- Accepts PMags and GI standard-issue magazines per manufacturer notes.
With its billet construction, practical features, and wide mil-spec compatibility, The Jack Gen2 provides a solid, serviceable foundation for custom AR-15 builds. Its design balances reduced weight and user-focused details, making it suitable for builders who prioritize fit, finish, and straightforward modularity.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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