StraightUp_OG Posted May 2, 2013 Share Posted May 2, 2013 Quoting Jerry's book:" New barrel lug depth typically measures .058-.060". Removing .002 to .003" will usually clean the surface.Warning: In no case should lug height be reduced to less than .055". Do not cut or lower the lugs in the barrel." Link to comment Share on other sites More sharing options...
poison123 Posted May 2, 2013 Author Share Posted May 2, 2013 Gotcha. Which book is that? And my new barrel bushing that I can screw with will be here tomorrow. Was playing with the barrel and I think its a binding issue on the bushing at this point, but either way I think the barrel is trashed. Or at least I wouldn't trust it to be fired at this point. It was just way oversized. Link to comment Share on other sites More sharing options...
StraightUp_OG Posted May 2, 2013 Share Posted May 2, 2013 JERRY KUHNHAUSEN THE COLT .45 AUTOMATIChttp://www.brownells.com/books-videos/books/gunsmithing-books/handgun-gunsmithing-books/jerry-kuhnhausen-the-colt-45-automatic-prod13805.aspx Mandatory reading. And don't be so quick to dismiss the barrel. Fitting takes time and if it is still not fit that implies that there is still enough material to work with. Take some measurements against a known good barrel. Link to comment Share on other sites More sharing options...
poison123 Posted May 2, 2013 Author Share Posted May 2, 2013 When I've got some time tomorrow I will put some measurements from the Nighthawk vs the Colt barrel for it in here tomorrow. I think at the very least I'm gonna have to rechamber it with all the material I've removed from the hood. Link to comment Share on other sites More sharing options...
mildot1 Posted May 3, 2013 Share Posted May 3, 2013 How did you come up with the finish dim for hood length and width? Your going to find that while all ''Gunsmith" fit barrels are oversized some are way more than others, that is not bad but it can mean a lot more time getting them fitted. You may have to ream the bushing or reduce the barrel diameter if it is binding in the bushing. You can LIGHTLY break the corners on the barrel lugs, that might help getting it unlocked. The last one I did was a bear for a couple hundred rounds now it comes out of battery nicely. Please don't take this the wrong way but your jacking around with the most important part of the gun and I'm not sure you have enuff knowledge. I reccomend going to Jack Wiegand site and viewing his barrel fitting vids. I hope this helps you out. Mildot Link to comment Share on other sites More sharing options...
Steve RA Posted May 3, 2013 Share Posted May 3, 2013 Unless you have cut more off the hood than I've ever seen, it should not affect the chamber. The lugs will locate the barrel in the proper position - fore and aft. Link to comment Share on other sites More sharing options...
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