In the realm of firearms customization, adaptability is king. The AR/MCX Stock Adapter rises to this challenge by offering a seamless solution for mounting picatinny-style stock attachments in place of traditional AR15 buffer tubes. This adapter empowers users to equip their weapons with modern accessories like the SIG MPX folding stock or brace without compromising functionality.
Many firearms have adopted the AR15's buffer tube system not out of necessity but convenience, as it allows easy attachment of stocks and braces. However, these guns often do not require an in-line buffer spring housed within the tube. Herein lies the genius of our adapter—providing a modular alternative that enhances versatility while maintaining structural integrity.
The kit itself is ingeniously simple yet robust, comprising two primary components alongside an attaching bolt. First, you have an externally-threaded adapter plug designed to fit snugly into your firearm’s threaded buffer socket or ring. Paired with this is the adapter rail section which slots firmly into position within the plug. Together, they are secured using a hex-socket bolt accompanied by a lock washer ensuring steadfast assembly.
It must be noted that this product will not function with standard AR 15 lowers paired with MCX uppers and should only be used when neither carrier nor buffer tube extend beyond the receiver ring.
This remarkable piece offers flexibility without sacrificing durability—a testament to thoughtful engineering tailored for those who demand more from their hardware.
Features
- standard configuration ar15 style rifles will not function using this product
- incorporates a flange in the base of the picatinny plate
- allows the use of a standard takedown pin, detent, and spring on traditional ar15 lower receivers
- this product will not work with a standard ar 15 lower and the mcx upper
- intended only for applications where the carrier and buffer tube do not protrude past the receiver ring