Recent content by spitnine

Actually I Have A 20" PSA upper on a Smith, a Ruger, a Savage and a PSA lower that I bought later. Everybody ran without issue. Thanks.

If I May... Lube on all of them is original O-158. Really maintained is thoroughly cleaned after every range trip. Usually 100 to 200 rounds, twice a week. Ammo is PPU, Wolf Gold, Federal, Geco, Norma, IMI. I don't do steel. I also don't do mag dumps as I consider them a frivolous waste of...

My Original Point My original post was just noting that this is the first of my rifles that had the gas rings wear to that point (my test) so quickly. The nearest was the AR556 at 2,000 rounds. I have been fortunate enough to have never had a gas key or a gas key screw come loose though. The...

Gas Rings I realize that most rifles will still run with well worn and even broken rings but prefer to change them since they are cheap and easy to change. Thanks.

I haven't had any brand new ARs need rings that soon either. The closest I have is a Ruger AR556 that needed new rings around 2,000 rounds. I realize that most rifles will still run with well worn and even broken rings but prefer to change them since they are cheap and easy to change. That said...

While cleaning the M&P Sport II, I noticed that the bolt was moving very freely although the rifle was still running fine. Did the "stand me on my nose" BCG test and carrier fell right down. Put in new rings and bolt tightened right up. Thanks