Aero Precision M4E1 (5.56mm) Semi-Auto Rifle

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Aero Precision M4E1 Semi-Auto Rifle


This Aero Precision M4E1 complete rifle chambered in 5.56mm features many upgraded Aero Precision products at a price that is budget friendly.  This rifle is ready to operate straight out of the box.  All Aero Precision rifles are assembled by Aero’s professional gunsmiths and are tested prior to leaving their facility.


  • Aero’s M4E1 receiver set featuring new enhanced forging that gives the lower & upper receiver a “billet look”
  • Aero Enhanced lower parts
  • Aero’s 15″ Atlas S-ONE M-LOK handguard
  • Aero Muzzle Brake
  • Magpul MOE SL Stock
  • Magpul MOE SL Grip

Atlas S-One Handguard

Machined from 6061-T6 Aluminum, the S-ONE line of handguards are designed with size and weight in mind, providing the perfect handguard for your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

The new Aero Taper Lock Attachment System (ATLAS) is both functional and aesthetically pleasing. It features 2 mirrored tapered locking nuts that provide evenly distributed clamping pressure across a custom engineered barrel nut with use of a turnbuckle screw. A ratcheting detent further secures the design while providing positive registration during installation. By design, the even pressure of the ATLAS system avoids distortion of the handguard often seen with current applications during installation.


Additional Information
ManufacturerAero Precision
TypeRifle: Semi-Auto
Caliber5.56mm NATO
ReceiverAero Precision M4E1
Handguard15″ Atlas S-ONE M-LOK
StockMagpul SL Stock
Barrel Length16.5″ (1:7 Twist)
Overall Length32″ Collapsed; 35.5″ Extended
Weight6.3 lbs.
Product SKUAPCR640334

Additional Information Content

Modern Warriors

We started Modern Warriors for the sole purpose of providing a less expensive way to enjoy our love of buying and shooting some really cool stuff. What started as a hobby has turned into a business where we have developed the experience and ability to help you enjoy our same hobby and save you money in the process.

We specialize in tactical weapons, including suppressors, short barrel rifles and full auto weapons. We have routine experience in shooting the weapons we carry, so if you want our opinion on how a weapon operates, we will gladly provide it. We also have expertise working with licensed professionals in setting up gun trusts, which is an ideal way of purchasing, owning and operating any weapon restricted by the National Firearm Act. Don’t let the word “trust” scare you. It is very easy to set one up if you have the right help.

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