Whistler Posted October 28, 2023 Share Posted October 28, 2023 (edited) I recently aquired a very nice CK Arms 1911. It has some wear and battering I am a bit concerned with. What would you guys reckon is the cause? Is a new slide required or can I deburr the peened edges? The numbers on the photos correspond to show the same fault from different angles. The forum did not allow me to post original resolution, these are downscaled to 25% resolution. Thanks in advance. Edited October 28, 2023 by Whistler Spelling Link to comment Share on other sites More sharing options...
Whistler Posted October 28, 2023 Author Share Posted October 28, 2023 Link to comment Share on other sites More sharing options...
RangerTrace Posted October 28, 2023 Share Posted October 28, 2023 I had a couple CK pistols that ran like a top, but didn't keep them long enough to determine long term durability. Link to comment Share on other sites More sharing options...
Steve in Allentown PA Posted October 28, 2023 Share Posted October 28, 2023 3 hours ago, Whistler said: I recently aquired a very nice CK Arms 1911. Is a new slide required or can I deburr the peened edges? I will only address the slide's peened slide stop notch. The cause could be a soft slide, a poorly machined notch, or a poorly fit slide stop tab. You would need to engage the services of a 'smith with a hardness tester to determine if the slide is soft. If the notch is the problem, a good machinist could correct it however you could do a credible job using an appropriate file. Usually peening of the notch is a result of a slide stop tab that was not correctly fit to the notch. The images below show the difference between a poorly fit tab and a correctly fir tab. One thing the bottom image doesn't show is that left edge of the tab's rear engagement surface should be slightly relieved so that it doesn't contact the notch. This will prevent the tab from peening the outer edge of the notch. Link to comment Share on other sites More sharing options...
Whistler Posted October 28, 2023 Author Share Posted October 28, 2023 (edited) Thank you for the replies thus far. I noticed some play between the barrel and the slide. I can put a .009 feeler gauge between rear of barrel hood and breachface. The picture show the barrel pushed forward until it stops. I reckon this is the cause for the wear on the lugs. Can it be fixed or is the only solution to fit a new barrel? Edited October 28, 2023 by Whistler Link to comment Share on other sites More sharing options...
Powder Finger Posted October 29, 2023 Share Posted October 29, 2023 Looks like it’s barrel bumping to me Link to comment Share on other sites More sharing options...
Whistler Posted October 29, 2023 Author Share Posted October 29, 2023 Is it fixable? If so. How? Link to comment Share on other sites More sharing options...
yigal Posted October 29, 2023 Share Posted October 29, 2023 10 minutes ago, Whistler said: Is it fixable? If so. How? At this point I would clean the chips and sharp corners with a fine emery cloth and continue shooting. Link to comment Share on other sites More sharing options...
Face5535 Posted October 29, 2023 Share Posted October 29, 2023 New barrel bud… find a gunsmith who understand how to fit it properly. That barrel bump is really bad. Link to comment Share on other sites More sharing options...
Whistler Posted October 30, 2023 Author Share Posted October 30, 2023 (edited) I adjusted the bottom lugs and the slide stop pin now has clearance. This is what the parts looked like after 40 hand cycles, fully assembled with recoil spring inserted. Edited October 30, 2023 by Whistler Link to comment Share on other sites More sharing options...
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