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The AR/MCX Stock Adapter allows the user to mount a picatinny-style stock attachment (such as the SIG MPX folding stock) in place of an AR15 style buffer tube. Many firearms utilize the buffer tube attachment of the AR15 in order to mount common stocks & braces, but do not mechanically require the tube for an in-line buffer spring. For these weapons, this product offers a modular alternative for attaching stocks or other accessories.
The kit is composed of two parts and an attaching bolt. The externally-threaded adapter plug fits into the threaded buffer socket or ring. The adapter rail section firs into the slot in the adapter plug and the two are secured to each other and the firearm by a hex-socket bolt and lock washer.
Note – Standard configuration AR15 style rifles will not function using this product.
Review by Jeff B. on 26 Jan 2021review stating Nice Product
Nice product only issue I had was that the round dimple for the back of the lower does not fit perfectly in the rear hole on the back of the lower I had to file it down to fit.
Review by Jon L. on 23 Jan 2021review stating Would have been nice to
Would have been nice to have a thin plate underneath the 1913 rail . I know they make a version that has a plate but also adds weight a nice thin titanium end plate would b nice for cosmetic
Review by David M. on 30 Mar 2019review stating With the smallest widening rail
With the smallest widening rail piece base by just a few mm would completely eliminate the need for an end plate. It sits linear and seems quite durable, thread cut was very good.
Review by Jeff B. on 26 Jan 2021review stating Nice Product
Nice product only issue I had was that the round dimple for the back of the lower does not fit perfectly in the rear hole on the back of the lower I had to file it down to fit.
Review by Jon L. on 23 Jan 2021review stating Would have been nice to
Would have been nice to have a thin plate underneath the 1913 rail . I know they make a version that has a plate but also adds weight a nice thin titanium end plate would b nice for cosmetic
Review by David M. on 30 Mar 2019review stating With the smallest widening rail
With the smallest widening rail piece base by just a few mm would completely eliminate the need for an end plate. It sits linear and seems quite durable, thread cut was very good.
