Rebel_Rider1969
Well Known Nuisance
Finely got all my parts. Assembled last night. Using magwell adaptor and colt ASC mags. Upper is an alpha industries with weighted bolt. Installed heavy 9mm buffer. Standard PSA lower from my 5.56 truck gun. Manually cycling the bolt, rounds feed and eject. Put a Triton truglo on it. Test fire today. Mags are loaded with 115gr, steel cased,brass and aluminum hps. Have a PSA upper with 16 inch barrel as well. We'll see how it does.