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Hey all,
So I'm trying to install a Troy VTAC Alpha Rail onto a Core AR15.
The rail will not slide over the grooves of the barrel nut. Also it appears that the installed barrel nut isn't deep enough for the bolts on the rail to tighten down onto it.
I purchased this used. Does anyone have any idea what I need to do. I was led to believe that the rail would attach to my existing barrel nut.
So I'm trying to install a Troy VTAC Alpha Rail onto a Core AR15.
The rail will not slide over the grooves of the barrel nut. Also it appears that the installed barrel nut isn't deep enough for the bolts on the rail to tighten down onto it.
I purchased this used. Does anyone have any idea what I need to do. I was led to believe that the rail would attach to my existing barrel nut.