The Aero Precision M4E1 Complete Lower Receiver with MOE stock gives you a solid, finished foundation for an AR-15 build without the assembly hassle. This is a complete lower—meaning the fire control group, safety, and trigger are already installed and ready to go. Pair it with any upper receiver you choose, and you've got a working rifle. The M4E1 design is known for tight tolerances and clean machining, and Aero Precision's reputation for quality speaks for itself among serious shooters.

The included Magpul MOE stock is a trusted choice for carbine-length buffer tubes. It's lightweight, snag-free, and offers a reliable cheek weld and controls. If you're building a hunting rifle, a do-everything range gun, or upgrading an existing platform, a complete lower takes the guesswork out of fitment and saves you time on assembly.

Whether you're a first-time builder looking for a no-worry starting point or an experienced gunsmith who values consistency, this combo delivers the quality and simplicity you expect from Aero. The M4E1 platform has earned respect in the community for reliability and precision, and the addition of a reputable stock makes this an honest, straightforward lower that works.

The Aero Precision M4E1 Complete Lower Receiver with MOE stock gives you a solid, finished foundation for an AR-15 build without the assembly hassle. This is a complete lower—meaning the fire control group, safety, and trigger are already installed and ready to go. Pair it with any upper receiver you choose, and you've got a working rifle. The M4E1 design is known for tight tolerances and clean machining, and Aero Precision's reputation for quality speaks for itself among serious shooters.

The included Magpul MOE stock is a trusted choice for carbine-length buffer tubes. It's lightweight, snag-free, and offers a reliable cheek weld and controls. If you're building a hunting rifle, a do-everything range gun, or upgrading an existing platform, a complete lower takes the guesswork out of fitment and saves you time on assembly.

Whether you're a first-time builder looking for a no-worry starting point or an experienced gunsmith who values consistency, this combo delivers the quality and simplicity you expect from Aero. The M4E1 platform has earned respect in the community for reliability and precision, and the addition of a reputable stock makes this an honest, straightforward lower that works.