Aero Precision M4E1 Lower Parts Kit W/ Moe Grip For Ar-15 Black

The Aero Precision M4E1 Lower Parts Kit with MOE Grip is built for AR-15 builders who want to skip the guesswork and get a complete, cohesive parts package ready to install. If you're assembling an Aero M4E1 lower receiver and tired of hunting down individual components—or swapping out that generic A2 grip for something better—this kit consolidates everything you need in one box, minus the trigger guard (which is integrated into the M4E1 lower itself).

What sets this kit apart is the inclusion of a Magpul MOE Pistol Grip in black. The MOE has earned its reputation among AR builders for ergonomics and durability, so you're getting a genuine upgrade right out of the box instead of a parts-kit filler. Whether you're building your first rifle or your fifth, this kit removes the friction of sourcing compatible components separately and ensures everything is engineered to work together on the M4E1 platform.

Aero Precision is known for quality and tight tolerances, and that attention carries through to every pin, spring, and detent in this kit. You'll find all the small parts that make a lower receiver function—takedown pins, bolt catch assembly, magazine catch, safety selector, hammer, trigger, and disconnector—all present and accounted for. The inclusion of a 4-40 set screw covers the threaded takedown pin detent hole on the M4E1 lower. This is the kind of completeness that lets you focus on assembly rather than running back to the parts counter.

Key Features

• Magpul MOE Pistol Grip included—no need to upgrade separately
• Engineered for Aero M4E1 lower receivers
• All takedown, pivot, and bolt catch components included
• Complete trigger, hammer, and selector assembly
• No trigger guard required (integrated on M4E1 platform)
• Includes 4-40 set screw for threaded detent hole

Specifications

Frequently Asked Questions

Will this kit work with any AR-15 lower receiver?

No—this kit is specifically designed for the Aero Precision M4E1 lower receiver. The M4E1 has an integrated trigger guard, so this kit excludes the trigger guard that would be included in a standard AR-15 lower parts kit. Make sure you're building on an M4E1 lower before ordering.

What's included in the box?

You get the Magpul MOE Pistol Grip in black, plus all the small parts needed to complete the lower: takedown pins, pivot pin, detents, springs, bolt catch assembly, magazine catch assembly, safety selector assembly, hammer, trigger, trigger pins, disconnector, buffer retainer, and a 4-40 set screw for the threaded detent hole.

Do I need to buy a grip separately?

No. Unlike standard lower parts kits that include a basic A2 grip, this kit comes with a Magpul MOE Pistol Grip already included, saving you the step (and the cost) of sourcing one yourself.

Is this a complete lower receiver kit?

This is a lower parts kit, not a complete lower receiver. You'll need to purchase the Aero M4E1 lower receiver separately, then install these parts into it to complete your build.