SCooper 0 Posted December 15, 2013 Report Share Posted December 15, 2013 Has anyone had any issues or Problems with Firebirds High Enery System for the MKA 1919....The Barrel Does not have a tight fit in the receiver and thus inables the the barrel move Clockwise & anti Clockwise in the Receiver making the front sight move almost an 1/4 to 3/8 of an inch? Quote Link to post Share on other sites
ec4321 113 Posted December 15, 2013 Report Share Posted December 15, 2013 I'd call Jim @ Firebird and discuss. I am sure they will resolve it. Quote Link to post Share on other sites
SCooper 0 Posted December 15, 2013 Author Report Share Posted December 15, 2013 Thank you, But I've already done this with unsatisfactory results thats why I'm reaching out Here just to see If anyone else may have experienced the same or simular problems. Quote Link to post Share on other sites
Brett248Vista 5 Posted December 15, 2013 Report Share Posted December 15, 2013 I'm sure they will get back to you, just give it a few weeks. Quote Link to post Share on other sites
Goodwin 1 Posted December 15, 2013 Report Share Posted December 15, 2013 if you emailed them your just pissing in the wind, call them they always handle there issues!! Quote Link to post Share on other sites
SCooper 0 Posted December 16, 2013 Author Report Share Posted December 16, 2013 (edited) Thank you for your response But I've done all that everyone here has sugested as I've been in contact with all of the firebird crew Jim, Nanci, His Wife & Chris for over six months they have done lots of work on BOTH of my guns a standard Black & The CAMO one as well But I had them send me the HIGH ENERGY SYSTEM and had my own gunsmith install it with Jims input through several telephone calls & Conversations JUST the whole thing is getting old as for some reason that Jim was baffled that it still was lose in the receiver and I've already spent over one hundred and fifty dollars just in shipping it back and forth and really didn't want to have to do it again so thats why I thought that I would join the forum and try my luck here to see what I got for feed back. Edited December 16, 2013 by SCooper Quote Link to post Share on other sites
james lambert 3,059 Posted December 16, 2013 Report Share Posted December 16, 2013 Thank you for your response But I've done all that everyone here has sugested as I've been in contact with all of the firebird crew Jim, Nanci, His Wife & Chris for over six months they have done lots of work on BOTH of my guns a standard Black & The CAMO one as well But I had them send me the HIGH ENERGY SYSTEM and had my own gunsmith install it with Jims input through several telephone calls & Conversations JUST the whole thing is getting old as for some reason that Jim was baffled that it still was lose in the receiver and I've already spent over one hundred and fifty dollars just in shipping it back and forth and really didn't want to have to do it again so thats why I thought that I would join the forum and try my luck here to see what I got for feed back. Yes I did go over this with your gunsmith. It was determined long ago that you have one of the upper receivers that is machined in error. A few MKA uppers were over bored at the factory, and that allows the barrel to set deeper in the upper than it should. That error creates excess space between the seal sleeve (part of HEOS) and the rear internal surface of the hand guard This error also causes the barrel to be in direct contact with the feed ramp resulting in broken ramps. It is possible to use an O ring of larger diameter to negate that space, but the upper receiver is the problem. RAAC is very aware of this problem, and have replaced uppers like yours in the past. You were made aware of this from the beginning when I talked at length with the gunsmith that was installing the HEOS,and last I heard you were going to contact RAAC about this. If all else fails, I have an extra camo upper, if RAAC cant make it right, I can. Jim Quote Link to post Share on other sites
Get-n-Ready 8 Posted December 16, 2013 Report Share Posted December 16, 2013 FB took care of the small issues I had........Great people. 1 Quote Link to post Share on other sites
Zebraman 0 Posted June 1, 2014 Report Share Posted June 1, 2014 I just checked my barrel with the same FB set up, and my barrel moves when you twist it. I have been having probems with it feeding sometimes. Could this be the problem? I have the XN now, because I sent my original back to the factory and it was replaced with an XN. Is this problem prevalent on this model? I was thinking about sending it to FB to see if they could figure out what is wrong with it. Thanks, Z Quote Link to post Share on other sites
james lambert 3,059 Posted June 1, 2014 Report Share Posted June 1, 2014 It is only a problem if its loose, there is nothing to prevent barrel rotation except the tab on the top rear of the barrel. And its fit into the upper may be sloppy. Most feeding problems are mag related Call if you need help Jim Quote Link to post Share on other sites
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