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Aero Precision M4E1 Freedom Edition AR-15 Lower Receiver

SKU: APAR600005C

Out of Stock

This item is regulated, therefore your entire order will be shipped to an FFL dealer of your choosing. After you place your order, we will contact you to finalize these details.

Orders will Ship within 1 Business Day
Backed by the Aero Precision Warranty!
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Aero Precision US Flag AR-15 Lower Receiver

Always Forward, Never Retreat! Aero Precision’s M4E1 Lower Receiver adds unique engravings to a striking design to show your national pride. This AR-15 lower receiver keeps all the enhanced installation features you’d expect, plus a “4July” serial number, and a stars-forward US flag on the right side of the magazine well.

This stripped lower is ready for a lower parts kit of your choice, as well as a mil-spec stock assembly for a complete lower receiver build. Plus, the enhanced features like the threaded bolt catch pin and threaded rear takedown hole make installation far easier than comparable forged lowers.

Simplifies The Assembly Process

Aero Precision M4E1 Lower Receiver has an integrated trigger guard eliminates the possibility of breaking the trigger guard tabs. The upper tension screw inserted in the grip tang of the lower receiver provides a fine tune adjustment for the fit of the upper and lower receiver.

It simplifies the assembly process for the at-home builder. The threaded takedown pin detent recess allows easy installation of the takedown pin detent and spring with the use of a 4-40 set screw. It also increased the magwell’s flare to aid in quick and efficient magazine changes.

The M4E1 is marked and milled to accept short-throw safety selectors, but will work with standard selectors as well.

Features And Improvements:

  • Threaded Bolt Catch Roll Pin – Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included). 1/16″ Hex Key required for assembly.
  • Integrated Trigger Guard – Eliminates the possibility of breaking the trigger guard tabs by integrating the trigger guard into the lower, creating a stronger more rigid platform to build upon.
  • Upper Tension Screw – Allows users to fine-tune the fit of the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.
  • Threaded Takedown Pin Detent Recess – Allows the user to easily install the Takedown Pin detent and spring with the use of a 4-40 set screw (no more launching detents across the room).
  • Increased Magwell Flare – Increased the flare of the magwell to aid in quick and efficient magazine changes.
  • Marked and milled to accept short-throw safety selectors, but will work with standard selectors as well.

Specifications:

  • Shipping to FFL Dealer Required: Yes
  • Platform: AR15
  • Material: Machined from 7075-T6 forged aluminum
  • Finish: Anodized Black
  • Markings: Model “Freedom”, “Cal Multi”, Flag Engraving, 4JULY Serial Number
  • Compatibility: Works with standard AR15 components and magazines
  • Weight(s): 8.61 oz

NOTES:

  • Rear takedown pin detent hole is threaded for a 4-40 set screw.
  • Threaded Bolt Catch Roll Pin (Included).

Specifications:

CaliberMulti
FitAR-15
Receiver Material7075-T6 Aluminum
Firearm TypeLower Receiver
ActionSemi-Automatic
Weight8.61 ounces

Aero Precision Warranty

If for any reason you have a warranty issue with one of our products, please contact us at 253-272-8188.

Please describe your situation, include your name and order number or transaction id. One of our technical specialists will then review your claim and contact you within 3-5 business days.

If you have images to send, please email them to support@aeroprecisionusa.com

Damaged Items

In regards to claims dealing with damaged or blemished products, we ask that you create a Help Desk Ticket on your My Account page. If you don’t have an account with us, please go to the Contact Us page and fill out the form for review within 72 hours upon receiving the shipment.

If you have images to send, please email them to support@aeroprecisionusa.com

Failed Background Check

There will be a 30% restocking fee on all lower receivers returned because of failed background checks.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 2 reviews
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R
Russell
Excellent lower

This is an excellent lower receiver at a great price point. I know there are good quality cheaper receivers but the difference in build difficulties make this well worth the cost. None of that tap tap tapping trying to get a pin to go into difficult holes. With this receiver everything is easy. I used this for an AR-57 build with a PANZER AR57 16" ULT UPPER ASSEMBLY 5.7X28MM W/ 50 RD MAG - ULT 0116. Put it all together and runs perfectly.

Thanks for the great review! We're glad you're happy with the M4E1 Freedom Edition AR-15 Lower Receiver.

A
ANDREW CHAMBLISS

GREAT

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.

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