Aero Precision | AR-15 Assembled Upper | APAR501603AC

The Aero Precision AR-15 Assembled Upper Receiver is a semi-complete upper forged from 7075-T6 aluminum and precision machined to mil-spec M16/M4 specifications. It ships with the port door and forward assist installed and features M4 feedramps and laser engraved T-marks. This upper requires a charging handle, barrel, handguard, gas block, gas tube, muzzle device, and bolt carrier group (BCG) to complete a functioning rifle. It is well suited to custom range builds and training or duty-style AR-15 projects.

Product Specifications

• The manufacturer is Aero Precision.
• The model is AR-15 Assembled Upper Receiver.
• The finish is Black Anodized.
• The material is Forged 7075-T6 aluminum.
• The receiver is machined to mil-spec M16/M4 specifications.
• The upper includes port door and forward assist installed.
• The upper features M4 feedramps for reliable feeding with compatible lowers.
• The receiver is marked with laser engraved T-marks.
• The fitment is designed for AR-15 lower receivers.
• The receiver description is listed as A3.
• The upper is optic ready for standard optics and mounts.
• The listed dimensions are 2.90 x 3.50 x 8.75.
• The listed weight is 0.69.
• Required to complete the assembly: charging handle, barrel, handguard, gas block, gas tube, muzzle device, and BCG.
• The UPC is 815421020618.

For builders who value a mil-spec foundation, this assembled upper delivers a durable, precisely machined receiver ready to accept your choice of barrel, gas system, and accessories. Its anodized finish and forged construction make it a practical choice for range-focused builds and duty/training use where fit, repeatability, and a clean optic-ready top rail matter.

Many users report that the upper provides an excellent fit with Aero Precision and compatible lowers, and owners commonly praise its durable finish and precise machining.