ASK AN EXPERTDescription
- Enhanced forging that gives the upper receiver a "billet look"
- Picatinny profile that blends seamlessly with Enhanced Series Handguards
- M4 feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist installed
- Standard A2 flash hider
- This complete upper does not include BCG or Charging Handle
Most gun enthusiasts own a rifle chambered in 5.56. If you want to build a hunting, close-quarter combat, home defense, or a target practice pistol or SBR that is compact, reliable, and battle-tested, the Aero Precision M4E1 enhanced 12.5in 5.56 complete upper assembly must be your go-to.
The rifle built with this upper will be highly accurate for a 5.56 caliber because of the low recoil of the round itself coupled with a carbine length gas tube system and low-profile gas block, giving you that snappier recoil and a higher bolt velocity. The M4 feed ramps aid in a reliable chambering of the rounds, accommodating the faster cyclic rate of the carbine system and reducing the chances of a misfire to a minimum.
The barrel being high-pressure tested and magnetic particle inspected to ensure quality means that it has been tested for minor fractures, cracks, or imperfections after firing a proof round loaded to a higher pressure than a standard 5.56 round. The barrel is also made of CMV steel, which ensures you have a stronger, heat and corrosion resistant steel, so your rifle lasts the test of time. The QPQ treatment inside and out helps reduce wear.
The Atlas M-LOK handguard, being a slim profile, lightweight handguard, makes sure barrel harmonics affect your sights to the minimum and stay zeroed. The relief cuts make it very light and maneuverable. The handguard indexes well with the receiver, ensuring you don't get any rotation from the receiver, and locks in nicely and tight.
