Aero Precision M4E1 Stripped Lower in Anodized Black, Enhanced Carbine Buffer Kit, MOE Lower Parts Kit Minus FCG Bundle - APSL100318

$234.97

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This item is regulated, therefore your entire order will be shipped to an FFL. After you place the order, you will be able to find and submit an FFL of your choosing. It is your responsibility to know your local laws and confirm that the FFL will accept and transfer the item. 

A restocking fee of 15% or $35 (whichever is greater), plus return shipping cost will be applied to any items returned for any reason.

Aero Precision APSL100318: The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options, Aero Precision has added several functional features to the lower receiver to simplify the assembly process for the at home builder. Also included in this bundle is a Enhanced Carbine Buffer Kit and MOE Lower Parts Kit. This specific kit does NOT include a fire control group. This is a great option for those planning to buy an upgraded trigger. See below for a full list of included components.

M4E1 Lower Receiver 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 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.

Includes:

• Stripped M4E1 Lower Receiver
• Nylon tipped tensioning set screw
• Threaded Bolt Catch Pin

AR15/AR10 Enhanced Carbine Buffer Tube Features:

• Carrier Support Extensions – Fully supports and guides the bolt carrier group into the buffer tube after a round is fired, preventing carrier tilt and unnecessary wear on key components. The Carrier Support Extensions also extend on either side of the buffer retaining pin, securing the pin in place while simultaneously preventing the buffer tube from backing out under recoil.
• Position Guide Drain Holes – Each position guide features a drainage hole that removes water from the system in marine environments. During routine operation, smoother cycling is achieved by allowing additional air to escape during the compression cycle of the rifle.
• Ramped Tube Design – Allows for effortless installation of traditional carbine stocks. We have removed the need for messing around with screwdrivers to get your furniture over the end of the buffer tube. Simply hold down the adjustment piece and push your stock onto the Enhanced Buffer Tube.
• Proper Thread Depth – Traditional buffer tubes feature extended unused threads that can cause your stock to become trapped when fully collapsed. While some turn these threads down, we’ve correctly machined the threads to the proper depth, providing a much cleaner look.
• Mil-spec Dimensions – Machined from a 7075-T6 Aluminum Impact Extrusion to mil-spec dimensions. All standard carbine stock options made to work with mil-spec buffer tube dimensions are compatible with our Enhanced Carbine Buffer Tube.

Includes:

• Enhanced Carbine Buffer Tube, 6-position
• Carbine Buffer
• Carbine Buffer spring
• Endplate and lock nut
• Made in the USA

*Enhanced Carbine Buffer Tube is compatible with mil-spec stock options.

Lower Parts Kit:

• Magpul MOE® Grip in Black or FDE
• Takedown Pin
• Pivot Pin
• Takedown/Pivot Detent
• Takedown/Pivot Spring
• Bolt Catch
• Bolt Catch Buffer
• Bolt Catch Roll Pin
• Bolt Catch Spring
• Magazine Catch Body
• Magazine Catch Button
• Magazine Catch Spring
• Buffer Retainer
• Buffer Retainer Spring
• Safety Selector
• Safety Selector Spring
• Safety Selector Detent
• 4-40 Set Screw (for threaded takedown pin detent hole)

Compliance

NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.

Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.