M4E1 Black Multicam ATLAS S-ONE M-LOK Builders Set
Black Multicam Cerakote by Weapon Works
The Aero Precision M4E1 Black Multicam ATLAS S-ONE M-LOK Builders Set features a M4E1 stripped lower receiver, M4E1 Threaded Assembled Upper Receiver, and an ATLAS S-ONE M-LOK handguard in your choice of either 9″ or 15″. In addition, we have made available a very limited quantity of Black Multicam cerakoted Magpul furniture; all custom cerakoted by Weapon Works. The M4E1 Black Multicam ATLAS S-ONE M-LOK Builders set includes everything you need to begin the assembly of your own unique M4E1 firearm sure to impress your friends.
Check out all of our custom cerakoted builders sets here, or the M4E1 Black Multicam Enhanced M-LOK Builders Set.
M4E1 Lower Receiver Features
- 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.
Click to see the Magpul Black Multicam Furniture Options
Save up to $20 on Toolcraft Bolt Carrier Groups and Charging Handles when purchased together.
M4E1 Threaded Assembled Upper Receiver Features
- Enhanced forging to give a “billet look”
- M4 Feedramps
- .250 takedowns
- Includes installed dust cover and forward assist.
ATLAS S-ONE M-LOK Handguard
- Front and rear picatinny rail
- Eliminated center top of rail for weight reduction
- Indexing grooves in 12:00 position for positive grip control
- 1.3″ inside diameter | 1.5″ outside diameter
- Compatible with low profile gas block
Each Builders Set Includes
- Black Multicam Cerakoted M4E1 Stripped Lower Receiver
- Cerakoted Black Multicam M4E1 Threaded Assembled Upper Receiver
- Cerakoted Black Multicam ATLAS S-ONE M-LOK Handguard (9″ or 15″)
- ATLAS S-ONE barrel nut and mounting hardware.
- Toolcraft Bolt Carrier Groups
- Charging Handles
Manufacturer: Aero Precision | Weapon Works
Platform: AR15 – Multi Caliber
Material: 7075-T6 Aluminum (Receivers), 6061-T6 (Handguard)
Finish: Cerakote | Black Multicam
Handguard Type: ATLAS S-ONE M-LOK
Handguard Length: 9″ | 15″
Screw Torque: 25in-lbs
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