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Discussion Starter · #3 ·
Here's another one. Doesn't have the user options of the first one, so at first it's a little hard to follow. Scroll down through the various sections to understand the details of each system.

1911 Animation II
 

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The first one was really impressive but their both cool.
 

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Thanks for providing that.It was very interesting to me to finally see how everything works together from the time you squeeze the trigger to when the bullet exits the barrell.:cool:
 

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Discussion Starter · #6 ·
You're welcome.
 

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I showed those to the boss. I think it actually helped her to understand her role, in the whole operation, a bit better.
 

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The second one is too cool.Had to share that on my Facebook..It also made me wonder if I should replace all the springs in my two PCII when I change out the recoil spring.?? Any thoughts/advise??
 

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Great post thanks. now I understand that whole sear thing!!
 

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It also made me wonder if I should replace all the springs in my two PCII when I change out the recoil spring.?? Any thoughts/advise??
No it's not necessary to change all the springs when the recoil spring is ready to be replaced. I put together a spring replacement chart for the different models.

SPRING REPLACEMENT CHART


ALL FULL SIZE 5" MODELS:

Recoil Spring: .45 ACP and .40 S&W - 16 lbs., change every 1500-1800 rounds.
9MM - 12 lbs., change every 2000 rounds.
10MM - 18.5 lbs., change every 1800 rounds.
.38 Super - 14 lbs., change every 2000 rounds.
Firing Pin Spring: change every 5000 rounds.
Mainspring: 21 lbs., change every 5000 rounds.

Compact & Pro Models:

Recoil Spring: .45 ACP & 40 S&W/22 lbs., .38 Super/18 lbs.
change every 800 rounds.
Firing Pin Spring: change every 5000 rounds.
Mainspring: 23 lbs., change 5000 rounds.

Ultra Carry Models:

Recoil Spring: 18 lbs., change every 1800 rounds.
Firing Pin Spring: change every 5000 rounds.
Mainspring: 23 lbs., change every 5000 rounds.
 
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Why change the recoil spring at 800 rounds for the compact and Pro?
 

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Why change the recoil spring at 800 rounds for the compact and Pro?
Because mama Kimber says so....... those numbers are taken directly from the Kimbers owners manual.
 

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Why change the recoil spring at 800 rounds for the compact and Pro?
That's what I was wondering.I have two PCII one in 9mm the other a 45 stainless and both are the 4inch model.I have a couple thousand rounds on both.I guess it's time to call and order a couple recoil springs.Thanks Chuck43 for the info.
 

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I just did a quick search on the subject. The numbers are all over the place. Some recommend 600 and others 2000, so I guess it becomes a preference thing. Springs are cheap and fairly easy to change.
 

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I just did a quick search on the subject. The numbers are all over the place. Some recommend 600 and others 2000, so I guess it becomes a preference thing. Springs are cheap and fairly easy to change.
I don't know where you searched but the numbers I quoted are published in the owners manual Kimber sends out with every new 1911 they make.
 

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I don't know where you searched but the numbers I quoted are published in the owners manual Kimber sends out with every new 1911 they make.
Just did a google for changing recoil springs in a 1911. Wasn't doubting the mothership, just looking to see what others recommended. There's info at Wilson Combat's site as well as Wolff springs among others. Most have different numbers. The chart you posted is directly from Kimber and should probably be made a sticky here as such.
 

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I pdf the owners manual and Chuck43 is correct.I just got off phone with Kimber and ordered recoil springs for both.A pack of 3 are $15.95 for each model.The 9mm is 14lb and the 45 is 22lb...I seen a youtube video on the take down of a 1911 and the guy had a little square thing with a hole in it to compress the guide rod with to remove the recoil spring.Any clue what that is called and where I could get one??
 
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