FLAWLS1 Posted September 17, 2012 Share Posted September 17, 2012 I had some free time on Sunday and decided to take the M4 to the range. I only shot slugs through it and it ran 100%. I can now see wear marks from where the shell extracts. My Mesa stock didn't loosen up either, but I did tighten the stock down really good when I installed it. After shooting it, I cleaned it. During the cleaning I noticed a sh*t load of crap in my barrel. I thought "Ok, that's normal... I see this in all my guns I shoot". However, I could not and still can't get all of that crap out of the barrel. The inside of the barrel is actually marinading in CLP. I noticed little by little some of the debris has been coming out and it's actually metal shavings. Which I believe is from the slug. Have you guys ever experienced this? Seems like it's going to take a good amount of time before I get the barrel nice and clean like it was before I shot it. I also noticed after shooting it that the end cap just came slightly loose. I was able to turn it about 2-3 clicks. Before shooting it I wasn't able to twist the cap on any tighter. Quote Link to comment Share on other sites More sharing options...
StrangerDanger Posted September 17, 2012 Share Posted September 17, 2012 That's lead from the slugs you were shooting in the barrel. I like to use a Tornado brush for removing that crap. Also, there is two ports for the ARGO gas system about 10 inches from the chamber. When you look down the barrel it'll look like two black spots. Just mentioning these so you don't think they're debris to scrub off. When assembling the weapon, make sure the lug of the barrel is seated flush with the receiver. Wasn't there a thread on here a few weeks back about a loosening cap being attributed to a poor fitting forend? Quote Link to comment Share on other sites More sharing options...
FLAWLS1 Posted September 17, 2012 Author Share Posted September 17, 2012 That's lead from the slugs you were shooting in the barrel. I like to use a Tornado brush for removing that crap. Also, there is two ports for the ARGO gas system about 10 inches from the chamber. When you look down the barrel it'll look like two black spots. Just mentioning these so you don't think they're debris to scrub off. When assembling the weapon, make sure the lug of the barrel is seated flush with the receiver. Wasn't there a thread on here a few weeks back about a loosening cap being attributed to a poor fitting forend? Yeah, I noticed those two holes and when I looked inside where the piston goes I noticed holes in there. So I put two and two together. I've read about that tornado brush. Where can I get one? Yes, I also read that thread you are referring to so I definitely made sure of that when I installed my FFT forend. Quote Link to comment Share on other sites More sharing options...
jaegerbataillon511 Posted September 17, 2012 Share Posted September 17, 2012 I have recenlty experienced the same thing in my Benelli, and therfore I cleaned the barrel for so many hours. I had to wear it off with a 12ga brush and other cleaning solvents didn`t work. Quote Link to comment Share on other sites More sharing options...
StrangerDanger Posted September 17, 2012 Share Posted September 17, 2012 http://www.brownells.com/.aspx/pid=9791/Product/TORNADO-BRUSHES Sometimes you can find them locally, but in the bay area? Probably not. I'd recommend finding other things to buy so you don't waste all that shipping for one item. Quote Link to comment Share on other sites More sharing options...
Amsdorf Posted September 17, 2012 Share Posted September 17, 2012 Flaw, congrats on your first outing with your M4. The "tornado" brush recommended by SD works great, by the way. Quote Link to comment Share on other sites More sharing options...
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