Aero Precision Complete M4E1 Lower - Magpul SL-S

(1 review) Write a Review
In stock if you can add to your cart!
Calculated at Checkout
  • Aero Precision Complete M4E1 Lower - Magpul SL-S
  • Aero Precision Complete M4E1 Lower - Magpul SL-S
Frequently bought together:


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 SL-S 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!


  • Magpul MOE SL pistol grip
  • Magpul MOE SL-S 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
  • Black anodized 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.

Aero Precision is known for superior engineering and machining. They push the boundaries of manufacturing and challenge the status quo by constantly looking for new ways to develop and evolve.

View AllClose

1 Review

  • 5
    Quality product

    Posted by Nate Baker on 11th Jul 2021

    First time building a AR and aero precision made it easy.

View AllClose