Description
The Sharps Bros The Jack Gen2 is a stripped AR-15 lower receiver for building a rifle with selected components. It is machined from 7075-T6 aluminum and includes an integral trigger guard, beveled magazine flare, and multi-caliber marking.
The lower is compatible with mil-spec internal parts, aftermarket mil-spec upper receivers, GI standard-issue magazines, and PMAGs. It requires a lower parts kit, buffer, and stock of your choosing to complete.
Key Specifications
- A stripped configuration lets the builder select the lower parts kit, buffer, and stock.
- The AR-15 platform supports compatibility with specified mil-spec components and upper receivers.
- The multi-caliber marking identifies the receiver for builds using compatible chamberings.
- Machining from 7075-T6 aluminum provides the specified receiver material.
- A black hardcoat anodized finish covers the receiver with the listed black finish.
- The integral trigger guard is built into the lower receiver.
- A beveled magazine flare shapes the magazine well area.
- The receiver weighs 11.1 ounces for a reduced-weight Gen2 design.
- Compatibility with mil-spec internal parts supports component selection within the stated standard.
- Compatibility with GI magazines and PMAGs supports the specified magazine types.
The Jack Gen2 suits builders who want a machined billet lower with a distinctive design, integrated trigger guard, and broad compatibility with specified AR-15 components.
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