Aero Precision M5E1 Enhanced Handguard

The Aero Precision M5E1 Enhanced Handguard represents a streamlined approach to AR-10/.308 rifle building by eliminating the traditional barrel nut in favor of direct attachment to Aero's M5E1 Enhanced Upper Receiver. This integrated mounting system creates a continuous optics platform from receiver to handguard, improving accuracy potential while simplifying installation. The M5E1 system has become popular among builders who want a clean, monolithic appearance without the complexity or cost of true monolithic uppers.

The handguard features M-LOK attachment slots for accessories, providing a slim profile that's comfortable to hold while offering mounting points wherever you need them. Anti-rotation tabs ensure the handguard stays perfectly aligned with the upper receiver, preventing the shift or cant that can occur with traditional barrel nut systems. The direct-mount design also eliminates potential accuracy issues from barrel nut torque or misalignment, making it a smart choice for precision .308 builds.

Installation is straightforward if you're using the complete M5E1 Enhanced Upper and handguard system: the handguard slides onto the upper's mounting points and locks in place with set screws. No barrel nut wrench, no timing headaches, no wondering if you got the torque right. The system is specific to Aero's M5E1 Enhanced Uppers—it won't work with standard AR-10 uppers—but for builders committed to the Aero platform, it offers a clean, accurate, and user-friendly solution for .308 AR builds.