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LA-XR15™ Onyx™ Billet Receiver Set

LA-XR15™ Onyx™ Billet Receiver Set



Estimated Ship Date From Time of Order: 12 - 18 Weeks


Precision machining meets awesome styling in the form of the ONYX™ billet receiver and builder sets. Machined from Certified 7075-T6 Aluminum Alloy and Anodized Type 3 Class 2 Deep Black, these set are carefully tumbled and then blasted with a proprietary media to create a satin smooth finish.

Receivers ship with  a nylon tipped rear lug tension set screw and Bolt Catch retainer screw.

Magwells are properly broached with an internal flare making speed reloading more efficient and the rear takedown pin area has a spot face machined into it, making it easier to push the pin through the receiver.

The ONYX™ features our proprietary ultra smooth upper receiver bore with a barrel extension area that is deliberately undersized for super tight barrel fit and the features are machined in a single operation for perfect concentricity and alignment.


The Cam Pin recess has been radiused and blended with the top channel to create a smooth flowing surface.

Each set comes complete with our CP-R360™ Dome Head Cam Pin that reduces wear and friction for smoother operation.

Upper & Lower parts fit is excellent as you would expect from a matched set. 


All lower receivers require a valid FFL to ship to.  Please visit our FAQ page for more information when ordering.


MIL/LE discount available, please visit our FAQ page on how to obtain the discount code.

If you would like to add shipping insurance to your order, please purchase here.

ITAR Notice:
This product is manufactured in the USA by LANTAC USA LLC for sale within the USA only.
Export of the commodities described herein is strictly prohibited without a valid export license issued by the U.S. Department of State, Office of Defense Trade Controls, prescribed in the International Traffic in Arms Regulation (ITAR), Title 22, Code of Federal Regulations, Parts 120-130.

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