Kimber Custom II crushing brass

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Griblik

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Howdy all-

I've been working my way through resolving a number of failures I've been experiencing with a Kimber Custom II, and am down to the last one, but need some guidance. When I got it, it was said to have 1000+ rounds through it, so it's well past "break in." On my first trip out with it, I was experiencing intermittent premature slide locks, failures to return to battery, and it would drop the hammer but not strike the primer if the grip safety was not 100% depressed. (Mentioned all of these issues to Kimber, btw, and they declined to offer to address them because I was the 2nd owner...) Experienced these over the couse of 100 rounds of WWB. Ordered a modified slide stop which resolved the premature slide lock, a 18.5# Wolff spring which resolved the FTRB, and ripped the dang Scwartz safety junk clean out, which resolved the hammer dropping w/o firing issue. Took it out yesterday w/ a box of Blazer Brass. Ran approximately 30 rounds through flawlessly. I then, out curiosity, wanted to see if it would function w/o a mag in placed. Chambered a round from mag, ejected mag, and would fire, but would not eject, instead smashing empty case in ejection port. 2 attempts, same result with both. Reinserted mag, back to running normal.

At this point, my buddy wanted to try shooting, so I let him. He ran one mag flawlessly, then tried a 2nd, and the 3rd or 4th round had the same problem - case was smashed in ejection port. Cleared, reinserted mag, and he finished it off with no more problems. I then ran one more mag of Blazer and a mag of PDX1 HP's through with no problems.

Now, my buddy is a pretty scrawny guy, and has had problems with limp wristing other guns before. Is it reasonable that his limp wristing caused the problem, and that it just doesn't like to eject empties with no mag in place? Otherwise, I'm wondering if the problem relates to too heavy of a recoil spring, or possibly an extractor issue? It just seems weird that it had problems so infrequently if that were the case. What does everyone think?

Thanks in advance.

-Eric
 
I'm not a 1911 mechanic, but I know one! I had a couple of the same problems you have and here is how I fixed them.

I had a Colt Delta Elite that would do the 'hammer fall-no boom' problem. The problem was, as was yours apparently, the Swartz safety. When I got the gun, it worked fine, but it had an adjustable trigger stop. When I adjusted it to minimal (like it is supposed to be), no fire. It was due to the fact that the gun was using the trigger overtravel to clear the safety mechanism. I took the plunger out, chucked it in a drill and with a file, lengthened the 'waist' of the plunger so it cleared quicker. Worked fine after that.

I wouldn't fret too much about it not ejecting without a magazine but the case crushing MIGHT be fixed with a stronger magazine spring. I have a Colt Commander that won't work without the stronger springs.

Just my unprofessional 'tinkering'.
 
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