Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in SS QPQ Mid-Length Barrel 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE

Aero Precision

Overview

The Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver features a 16-inch barrel with a mid-length gas system, designed for reliable cycling and reduced recoil. The .223 Wylde caliber allows for compatibility with both .223 Remington and 5.56 NATO ammunition, making it versatile for various shooting applications. With a 1:8 twist rate, this upper receiver stabilizes a wide range of bullet weights effectively, making it suitable for both target shooting and hunting. This upper is commonly found in mid-range and tactical builds, offering builders a solid foundation for performance-oriented AR-15 setups.