Get a rock solid start to your next carbine build with the Aero Precision M4E1 complete lower receiver! This factory-finished lower is ready to roll with a Magpul MOE SL pistol grip and carbine stock. With high quality components and fantastic quality of life features, this complete AR-15 lower is a fantastic shortcut to your next finished rifle!
Features:
- Magpul MOE SL pistol grip
- Magpul MOE SL carbine stock
- Compatible with standard AR-15 magazines
- Nylon tipped tensioning set screw
- Threaded bolt catch roll pin (included)
- Machined from 7075-T6 forged aluminum
- Flat Dark Earth Cerakote finish
- Rear takedown pin detent hole is threaded for a 4-40 set screw
A threaded takedown pin detent recess allows easy installation of the takedown pin detent and spring with the use of a 4-40 set screw. Increased magwell flare aids in quick and efficient magazine changes. Marked and milled to accept short-throw safety selectors, but will work with standard selectors as well.