The Aero Precision M5 Threaded Assembled Upper Receiver (Aero Precision part no. APAR308503AC) in anodized black is a .308 Win/7.62 NATO upper forged from 7075-T6 aluminum and precision machined to accept standard .308 components. It ships assembled with the port door and forward assist hardware preinstalled, so it’s ready to complete with a barrel and bolt carrier group. Built with M4 feedramps, .2795-inch takedown pin holes, and laser engraved T-marks, it’s designed to pair with an Aero Precision M5 .308 lower receiver for a solid, dependable fit. It’s a strong foundation for a big bore AR build, optic-ready with no iron sights to swap out.

Key Specifications

• .308 Win/7.62 NATO chambering is built for big bore AR10-pattern rifles.
• Forged 7075-T6 aluminum construction provides a strong, durable receiver.
• Preinstalled port door and forward assist save assembly time and effort.
• M4 feedramps support reliable feeding from standard .308 magazines.
• .2795-inch takedown pin holes match Aero Precision M5 lower receivers for a precise fit.
• Laser engraved T-marks assist with alignment and identification.
• DPMS High Profile (.210) tang matches standard DPMS-pattern .308 components.
• Optic-ready design ships with no iron sights, ready for your choice of optic.
• Anodized black finish resists wear and matches standard AR-platform furniture.
• Matched fit with M5 .308 lower receivers ensures a solid, dependable build.

Frequently Asked Questions

What caliber is this upper built for? It’s chambered for .308 Win/7.62 NATO.

Does it come with sights? No, it’s optic-ready with no iron sights included.

What lower receiver does it pair with? It’s designed to match an Aero Precision M5 .308 lower receiver for a solid, dependable fit.

Buy the Aero Precision M5 Assembled Upper Receiver

Order the Aero Precision M5 Threaded Assembled Upper Receiver from our Lubbock, Texas gun shop for fast shipping. It’s a strong foundation for a big bore AR build, and a smart pick from our AR10 uppers selection.