The Aero Precision M4E1 Complete Upper Receiver in .300 AAC Blackout offers precision engineering and reliability for AR-15 builds. Featuring a 10-inch CMV barrel with a 1:7 twist rate, this upper receiver is optimized for both subsonic and supersonic ammunition, making it versatile for various shooting scenarios. Its anodized black finish enhances durability and corrosion resistance, while the M4E1 design provides an upgraded platform for enhanced performance.
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Try Pay in 4 at 0% interest for purchases between $150 to $985. Or Select Easy installments up to 36 months. Approvals up to $5,000. No hard credit inquires for Pre-Approval. Apply and Buy Today!
Aero Precision M4E1 Complete Upper Receiver Features
This complete upper receiver is built with a 10-inch CMV barrel, ensuring durability and consistent accuracy. The 1:7 twist rate stabilizes a wide range of bullet weights, making it ideal for suppressed applications or home defense setups. Its anodized finish provides a sleek, durable exterior that withstands wear in demanding environments.
Designed for use with 300 AAC Blackout, this upper receiver delivers excellent performance for close-quarters engagement or versatile suppressed shooting. Aero Precision's M4E1 design offers a refined appearance, improved functionality, and compatibility with standard AR-15 lower receivers.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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