Product Description
Aero Precision M4E1 Lower Receiver – Black | Innovation Meets Mil-Spec Strength
Take your next AR build to the next level with the Aero Precision M4E1 Lower Receiver in Black—a modernized, feature-rich foundation designed for shooters who demand precision engineering, rugged durability, and streamlined assembly. Forged from 7075-T6 aluminum and finished with a hardcoat anodizing, the M4E1 lower combines mil-spec reliability with enhanced design elements that simplify your build and maximize performance.
Unlike traditional AR-15 lowers, the M4E1 features an integrated trigger guard, threaded bolt catch roll pin, and a flared magwell—making installation easier and improving ergonomics and reload speed. Whether you're building a duty-grade rifle, range blaster, or precision setup, Aero Precision delivers a lower that’s as solid as it is smart.
Features:
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Forged 7075-T6 aluminum construction – rugged and lightweight
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Black anodized finish for long-lasting corrosion resistance
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Integrated trigger guard eliminates the need for a roll pin and offers better clearance
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Threaded bolt catch roll pin simplifies installation and prevents damage
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Flared magwell for faster, more consistent reloads
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Compatible with all mil-spec AR-15 components
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Multi-caliber marked – perfect for 5.56 NATO, .223, and more
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Precision-machined and made in the USA by Aero Precision
Whether you're a first-time builder or seasoned enthusiast, the Aero Precision M4E1 Lower Receiver gives you a smart, reliable starting point for your custom AR build—engineered for excellence from the ground up.
