I just bought a 20" 1:8 twist spiral fluted 4140 chromoly steel heavy barrel chambered
in .223 wylde with a rifle length gas port and a rifle length gas tube from Sander's Armory.
It was free shipping. I ordered it on Saturday and it arrived in 3 business days on Wednesday.
Customer support took about 2 days to respond to my emails asking of it had shipped, which I
sent on Monday. They answered back on Wednesday after it had arrived saying "looks like it has
arrived". I sighted in at 100 and have since put about 100 rounds of PMC 62 grain .556 green
tip LAP, and about 30 rounds of standard PMC 55 grain through it. It functions well, sub MOA
out past 100 yards. The only thing I noticed was that my shell casings were extremely hot after
I performed a rapid fire test to make sure it would cycle properly. Probably normal due to the
fact that I was shooting .556 from a .223 wylde chambered barrel. I'm not sure if it is chrome
lined as it doesn't advertise for it, but with it being 4140 parkerised chromoly steel, with
proper maintenance, I feel like I should never be able to shoot out, or damage this barrel.
I'll put a link to a photo in here... Hopefully it works.