Soon, the lengths mentioned are done....have to finish the 5 and 5.5 we are running now before going to nitride......probably gonna take them to nitride as soon as they are finished. We'll do the 7.5 and 4.5 and maybe a 3.5 in a few weeks with the next batch of magazines as the barrels I ordered and the length I got weren't the same , and screwed up my cut list,