Aero Precision M4E1 7.5" 5.56 Upper w/ 7" Atlas R-ONE MLOK

VENDORSeller is a Vendor
Seller Rating: Not Rated
Listing ID: F9032D4E
Sold By: Vendor
Listed On
May 15, 2026
Item Type
Gun Parts
Caliber/Gauge
Unknown
Manufacturer
Unknown
Condition
Unknown
Location
Henderson, NV
Seller Ships
No
Member Since
Apr 2018

We have ONE of these IN STOCK and ready to go. They do not come with a BCG or charging handle. But we have those available, as well. TEXT to schedule an appointment to check it out.

The Aero Precision AR-15 barreled upper receiver is built around the M4E1 Threaded upper receiver designed for use with standard barrel nut systems. The receiver is forged from 7075-T6 aluminum and precision machined to M4E1 specs to ensure proper fit with Mil-Spec and aftermarket parts. It is matte black hardcoat anodized and features laser engraved T-marks on the upper picatinny rail. This 7.5” 5.56 barreled upper comes with the Atlas R-One M-LOK free float handguard with full length picatinny top rail and slime 1.3" inner diameter.

Features:
7.5” 5.56 barrel 4150 CMV barrel HPT and MPI Salt bath Nitride finish 1:7 twist rate Carbine length gas system M4E1 Enhanced forged 7075-T6 upper Hardcoat anodized Laser engraved T-marks Scalloped picatinny top rail Built in anti-rotation tabs M-LOK slots Does not include BCG or charging handle

The 5.56 7.5” barrel is machined from 4150 Chrome Moly Vanadium steel with a salt bath Nitride finish, a pistol length gas system, and a 1:7 twist rate for heavier bullets. It has an M4 feed ramp barrel extension and is magnetic particle inspected as well as high pressure tested. A standard A2 flash hider with 1/2x28 threading is attached to the muzzle.

Aero Precision takes some of the most state-of-the-art manufacturing techniques and equipment derived from their work in the aerospace industry and applies it to their products in the firearms industry. They have utilized their knowledge from years of building aircraft components to design and engineer AR-15 handguards, receiver sets, scope mounts, and more. They treat every product as if it were a precision flying machine and adhere to strict quality standards to ensure law enforcement, military, and civilian customers receive a product they can rely on.

Sold By: Vendor
General Terms & Conditions

_________________________________________________________________________ We also carry a full inventory of parts (at great prices)! (check out our website vegas-firearms.com for an up-to-date inventory of all firearms). Please note: ALL of our prices listed are 3% CASH discount prices. We carry almost ALL of the major brands out there!.... PSA (Palmetto State Armory), Remington, Winchester, Sig Sauer, Walther, Glock, Smith & Wesson, Colt, Mossberg, Bersa, SCCY, Canik, DPMS, Bushmaster, Diamondback, Beretta, Ruger, Browning, Howa, Rossi, Taurus, CZ USA, FN, Anderson, Del-Ton, Spikes Tactical, Aero Precision, Springfield Armory, Weatherby, Savage, Stevens, Hi-Point, Windham, Kahr, Keltec, LWRC, POF, Daniel Defense, Planet Eclipse paintball ...and many more! Give us a TEXT ANYTIME at 702-374-7963, or shoot us an email at sales@vegas-firearms.com If you'd like to be put on a waitlist for a particular out-of-stock firearm (expired and inactive PRICES not valid), please email us your name, phone number, and gun make/model. We will text/email you when one becomes available. STORE HOURS: Sunday: CLOSED Monday: By appointment ONLY Tuesday: 10am til 5pm Wednesday: 10am til 2pm Thursday: 10am til 5pm Friday: 10am til 5pm Saturday: 11am til 3pm PLEASE CALL OR TEXT TO SET UP AN APPOINTMENT Vegas Firearms 10120 S. Eastern Ave. Suite 200 Henderson, NV 89052 Located on the 2nd floor for the Century Executive Suites office building. Check in with the receptionist on the 2nd floor

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