Don't know if everyone caught it, but alpha mentioned already that Spyder threaded breaches can be easily retreaded for AC threads. An aftermarket $15 AC breach would totally sell, but until then we have options.
Originally Posted by Mike Deep
Anybody got any ideas on how to run a picatinny rail further down the gun to use flip-up sights and such?
Probably a barrel clamping bipod or flashlight mount, but on top instead of below.