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Old October 5, 2012, 06:21 PM   #15
Slamfire
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Join Date: May 27, 2007
Posts: 4,010
Quote:
If you just bought it, and just took it to the range,

YOU DON'T NEED TO TAKE IT OUT in the first place.

Lock the bolt/operating rod to the rear. Turn the rifle upside down and back again. You should hear the gas piston go back and forth.
For a new rifle I agree with this, however,

Quote:
^^ agreed.

I don't shoot my M1A that much but have probably 500 rounds through it, haven't take the gas plug out yet.

Leave it alone!
I consider this a poor example.

I am a fastidious cleaner of my guns. There I was in my Hut at Camp Perry, cleaning my M1a after a day of hard shooting, and a shooting bud comes in with his State Association M1a. His rifle was malfunctioning and he wanted to know why. I had my gas cylinder wrench and gas cylinder lock screw tool, and it took a heck of a yank to get his gas cylinder lock crew to break. He informed me he had been told never to clean his gas system. When the cylinder was in my hand, I was very surprised to see deep rust pits. The cylinder was also full of crusty powder residue. That was why he was having malfunctions; the timing of the rifle was off due to a plugged gas cylinder. Cleaning everything out, put “Anti Seize” on the gas cylinder lock threads and he was happy.

The next day my 200 yard RF group was awful, because I had only hand tightened my gas cylinder lock screw the day before and it unscrewed. I had been interrupted just before using the wrench in my hut, forgot about tightening the thing in the excitement of fixing my Bud’s rifle. I don’t multi task worth a flip. His rifle ran fine.

You do need to take the gas cylinder out and clean it out, I don't know how long you can avoid this, because I clean out my gas cylinder after each 88 round match. But I do know, if you push it out too far, you will have problems.
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