The Aero Precision M4E1 Complete Upper Receiver in .300 AAC Blackout with a 16-inch barrel offers precision engineering and enhanced performance. Paired with the ATLAS R-ONE 15-inch M-LOK handguard, this upper is designed for reliability and versatility, making it an excellent choice for tactical and hunting applications.
Easier approval. $0 Down. Easy installments up to 36 months. Approvals up to $5,000. No hard credit inquires for Pre-Approval. Apply and Buy Today!
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Pay in 4. Four Payments, no interest for purchases between $150 to $985. No hard credit inquires for Pre-Approval. Apply and Buy Today!
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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!
The 16-inch barrel is crafted from durable materials for consistent accuracy and performance, with a 1:7 twist rate to stabilize subsonic and supersonic rounds effectively. The ATLAS R-ONE handguard, designed to minimize weight without compromising durability, features a slim profile and M-LOK compatibility for attachment of accessories.
The M4E1 threaded upper receiver is machined from 7075-T6 aluminum, providing superior strength and compatibility with AR-15 components. Its enhanced design offers a seamlessly integrated handguard mounting system for increased stability. The upper includes an installed A2 flash hider to reduce muzzle flash.
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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