The M4E1 complete lower receiver serves as an ideal foundation for a custom AR-15 build. This assembly incorporates Aero Precision custom-designed M4E1 lower receiver enhanced with a MOE SL grip and MOE SL carbine stock. Key components include - M4E1 stripped lower receiver - Anodized black- MOE SL grip - black- MOE SL carbine stock- lower parts kit- carbine receiver extension- AR-15 carbine buffer and spring. The Aero Precision M4E1 lower receiver offers the visual appeal of billet construction at a cost-effective forged price. This enhanced forging is precisely machined from 7075-T6 aluminum and is fully compatible with all mil-spec AR-15 components. It features several advanced design elements, such as a threaded bolt catch roll pin, integrated trigger guard, upper tension screw, threaded takedown pin detent recess and an expanded magwell flare.

The package comprises enhancements including a MOE SL grip and MOE SL carbine stock, in addition to a comprehensive lower parts kit, buffer and spring
The lower receiver is fabricated from 7075-T6 aluminum and incorporates advanced features, including a threaded bolt catch roll pin, an integrated trigger guard and an enhanced magwell flare
The M4E1 complete lower receiver incorporates Aero Precision's advanced forging design, delivering the visual appeal of a billet receiver at the cost efficiency of a forged model
It maintains compatibility with all mil-spec AR-15 components

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