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Auto Ordnance/Kahr Model 1911A1 US Army:first impressions

This is a discussion on Auto Ordnance/Kahr Model 1911A1 US Army:first impressions within the Handguns forums, part of the Gun Forum category; Originally Posted by M14E2 The real thing is nice to have , but if ya want to shoot , get a new one. The originals ...


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Old March 26th, 2017, 07:22 AM   #46
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The real thing is nice to have , but if ya want to shoot , get a new one. The originals were made with a 5000rd life expectancy. The slides were not fully hardened and can crack with prolonged use. A fresh 18# spring and shok-buff can help prolong this from happening.
As for the Mag-Pul grips , they are nice , but personally I wish they were symmetrical. The left panel has a wide groove so ya can reach the mag release button , but I don't need it and it just doesn't look or feel right.
Thank you for that info. I had been pining for a real USGI 1911A1 if I could ever afford one, but, I want to shoot it too! So I guess buying a genuine WW2 article is more for collecting...

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Old March 26th, 2017, 08:18 AM   #47
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Thank you for that info. I had been pining for a real USGI 1911A1 if I could ever afford one, but, I want to shoot it too! So I guess buying a genuine WW2 article is more for collecting...
No you just have too be smarter than Joe Blow is, after 1947 Colt was contracted for full hardened replacement slides. Many others were brought in during and after the 60's. Colt, Drake, Newmax too name a few all made replacement slides. They have the NM part/drawing number on the left side, cage code on the right under or too the rear of the ejection port.

So in a nut shell if you get a real USGI 1911/A1 remove the original slide for safe keeping and shoot with the replacement slide.

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Old March 28th, 2017, 06:41 PM   #48
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Put a couple hundred down the tube today. Had one FTF early with a new GI mag, but when I tapped the slide it was went into battery. The new Williams Firesights worked a lot better than GI for my not young eyes. They seemed a couple of inches low at 25yards with ball. I've got to drift the rear right a touch. I used GI mags and Wilson Combat 8 round. Fed it
Tula, UMC and Winny White box. Also fed Fiocchi 230 grain XTP for 25 rounds without a problem. I've got a sight punch if anyone wants to use it to stake front sights.

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Old March 28th, 2017, 07:11 PM   #49
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I had that happen a couple times too, but after shooting more it stopped. I am sticking with issue sights on mine and it hits just above POA at 50'.

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Old April 1st, 2017, 07:43 AM   #50
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Update: I did a complete tear-down, and polished up the trigger group contact surfaces. I noticed, through wear patterns, that the trigger bar is putting uneven pressure on the sear ears. One is worn, and the other shows no contact. Also the side of the sear at the pin hole is worn more on the opposite side from the worn ear. Three questions. Should I file down the worn ear until they both contact? Will it improve the trigger? Will it impact safety?

https://tse3.mm.bing.net/th?id=OIP.6...=0&w=300&h=300

My sear shows wear on the lower right front (tab), and middle left(around the hole).

I polished the extractor a bit, too. It seems like it wants to eject forward right now, instead of at me like new, but that's with snap caps. I won't get to the range until next week to confirm.


Last edited by Rich D; April 1st, 2017 at 08:51 AM.
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Old April 1st, 2017, 08:04 AM   #51
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Update: I did a complete tear-down, and polished up the trigger group contact surfaces. I noticed, through wear patterns, that the trigger bar is putting uneven pressure on the sear ears. One is worn, and the other shows no contact. Also the side of the sear at the pin is worn more on the opposite side from the worn ear. Three questions. Should I file down the worn ear until they both contact? Will it improve the trigger? Will it impact safety?

https://tse3.mm.bing.net/th?id=OIP.6...=0&w=300&h=300

My sear shows wear on the lower right front (tab), and middle left(around the hole).

No replace the sear, contact PFC Thomas he has a few and MIGHT cut you the bro deal. I suspect you just got a funky sear. As for polishing the extractor I don't think it will help much? What I think you need too adjust is the extractor tension. But then again as long as they don't eject into your face your good too go.

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Old April 3rd, 2017, 08:03 AM   #52
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I called AO this morning, and they will have the replacement sear in the mail today. They did offer to service the weapon, but I opted to change it myself. I am assuming I don't have to do any fitting as it is an OEM replacement. Hopefully it's the sear, and not the pin holes being out of line.

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Old April 3rd, 2017, 08:56 AM   #53
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good one

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Old April 3rd, 2017, 10:27 AM   #54
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I called AO this morning, and they will have the replacement sear in the mail today. They did offer to service the weapon, but I opted to change it myself. I am assuming I don't have to do any fitting as it is an OEM replacement. Hopefully it's the sear, and not the pin holes being out of line.
Your "new" sear may be OEM but depending how many rounds you put through the rest of the parts may be acclimated to wear.....could be a wee bit of fitting needed. Be curious to see how it compares side by side to the old one and fits to pin, hammer, disconnector, etc... Let us know how it slaps together and feels...

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Old April 3rd, 2017, 07:03 PM   #55
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I called AO this morning, and they will have the replacement sear in the mail today. They did offer to service the weapon, but I opted to change it myself. I am assuming I don't have to do any fitting as it is an OEM replacement. Hopefully it's the sear, and not the pin holes being out of line.
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Your "new" sear may be OEM but depending how many rounds you put through the rest of the parts may be acclimated to wear.....could be a wee bit of fitting needed. Be curious to see how it compares side by side to the old one and fits to pin, hammer, disconnector, etc... Let us know how it slaps together and feels...
Being a newer pistol it shouldn't be a issue, provided the frame was machined correctly. If it were mine, I would double check the hammer hooks and make sure there the same height.

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Old April 8th, 2017, 05:45 PM   #56
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Called AO Monday, sear arrived and installed today. Everything else looked symmetrical, with no uneven wear that this novice saw. The trigger got a little lighter, but now it seems consistent, without the creepy/gritty first 2 stages. It is now crisp, and less than 7.5 pounds.

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Last edited by Rich D; April 8th, 2017 at 07:08 PM.
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Old April 8th, 2017, 07:17 PM   #57
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Called AO Monday, sear arrived and installed today. Everything else looked symmetrical, with no uneven wear that this novice saw. The trigger got a little lighter, but now it seems consistent, without the creepy/gritty first 2 stages. It is now crisp, and less than 7.5 pounds.
That's good too hear, now tweek the center leaf on the leaf spring too lighten the trigger pull. Remember a little bit goes a long way.

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Old April 9th, 2017, 03:46 PM   #58
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That's good too hear, now tweek the center leaf on the leaf spring too lighten the trigger pull. Remember a little bit goes a long way.
Thanks, I did. I made it look like the blueprints, and it's now about 5 pounds. What a difference from new! Still not as good as my Colt or Loaded, but I can definitely live with it.

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Old April 9th, 2017, 04:06 PM   #59
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Thanks, I did. I made it look like the blueprints, and it's now about 5 pounds. What a difference from new! Still not as good as my Colt or Loaded, but I can definitely live with it.
Come on Rich, you know only God makes Colts!

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Old April 12th, 2017, 03:43 PM   #60
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Thanks, I did. I made it look like the blueprints, and it's now about 5 pounds. What a difference from new! Still not as good as my Colt or Loaded, but I can definitely live with it.
That's good the hear remember its still new and it will settle/wear in, you still haven't adj. the sear or the hammer hooks so there is still room too grow yet. Try a 19lbs hammer spring and I bet that will get you into the high or middle 4lbs range, not bad for a little tweeking here and there on a non-trigger jobbed 1911..

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