Aero Precision M4E1-T 5.56 NATO Barreled Upper Receiver - 11.5" - Black Anodized

Start your next AR-15 build with the Aero Precision M4E1-T 5.56 NATO barreled upper receiver. The upper receiver itself is an M4E1 Threaded Upper Receiver, designed for modern aesthetics and functionality. It features laser engraved T-marks and a sleek black anodized finish. This upper receiver comes pre-assembled with a 10.3" ATLAS R-ONE M-LOK handguard, offering ample space for attaching sights, grips, or other accessories.

Features:

• M4E1 Threaded Assembled Upper Receiver
• Laser engraved T-marks
• 10.3" ATLAS R-ONE M-LOK handguard
• 11.5" 5.56 NATO barrel with carbine-length gas system
• 1/7 twist rate, government profile barrel
• M4 feed ramps
• HP (High Pressure) and MPI (Magnetic Particle Inspected) tested barrel
• Standard A2 flash hider
• Made in America
• Black anodized finish

The 11.5" barrel is chambered for 5.56 NATO ammunition and is constructed from durable chrome-moly vanadium steel with a QPQ finish for enhanced corrosion resistance. The carbine-length gas system ensures reliable operation, while the 1/7 twist rate and government profile offer a good balance between weight and handling. The barrel features 1/2x28 muzzle threads and comes equipped with a standard A2 flash hider. This barreled upper receiver is proudly made in the USA.