Juliett Whiskey Posted October 12, 2020 Share Posted October 12, 2020 Just cleaned her for the first time( M4), and put back together... HOWEVER, now when I tilt her, barrel up and then barrel down, it makes a sound like something is rattling around in the barrel.. took her apart, and is it normal for the Argo pistons, both to freely slide fwd and back? That’s the noise, I confirmed it. Did I lube it too much or did I jack something up? Thx in advance! Obviously new owner and still learning her ins and outs! JW Quote Link to comment Share on other sites More sharing options...
NoTycoon Posted October 12, 2020 Share Posted October 12, 2020 It is normal, and a good sign, that the pistons fall in both directions. Quote Link to comment Share on other sites More sharing options...
Juliett Whiskey Posted October 12, 2020 Author Share Posted October 12, 2020 Thank you!! Hate being paranoid! My handguns are old school to me, this M4 is just new and I need to get more intimate with her!! More range time, more baths!! Thx again.. JW. Quote Link to comment Share on other sites More sharing options...
JT111 Posted October 13, 2020 Share Posted October 13, 2020 (edited) I haven't oiled the pistons. I clean them run them and wipe them down. I'm new to the M4 so I'm not entirely sure that's correct. Seems like they would get gemmed up if I oiled them. I noticed my pistons moving more freely after I cleaned them. Edited October 13, 2020 by JT111 added info Quote Link to comment Share on other sites More sharing options...
Evolution Posted October 13, 2020 Share Posted October 13, 2020 Pistons are designed to run dry! Quote Link to comment Share on other sites More sharing options...
BallChange Posted October 13, 2020 Share Posted October 13, 2020 Yeah keep the pistons dry, I'll clp then scrub the carbon off of them every couple hundred rounds. Quote Link to comment Share on other sites More sharing options...
Juliett Whiskey Posted October 13, 2020 Author Share Posted October 13, 2020 Thank you all for the speedy responses and intel. Much appreciated! JW Quote Link to comment Share on other sites More sharing options...
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