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Old 01-01-2014, 02:10 PM   #1
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Question about recoil springs

I was just looking at the Kimber 2013 catalog and I am puzzled about the recoil spring weight. Maybe some one can enlighten me.

In particular I was looking at the Super Carry Models. I noticed that the Custom 5 inch barrel used a 16 pound spring, the Ultra and Ultra plus 3 inch use the 18 pound spring and the 4 inch Pro 's uses the 22 pound spring.

If the Custom functions with the 16 and the Ultras with the 18, why go to a 22 on the 4 inch Pros.

Why wouldn't the shorter cycling 3 inch use a greater spring weight?
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Old 01-01-2014, 02:18 PM   #2
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It might have something to do with 4" barrels developing greater velocity/greater recoil than shorter barrels. The full size models have heavier slides.
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Old 01-01-2014, 03:49 PM   #3
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You would have direct the question to Kimber for a definitive answer. But, I believe it is in the name of the gun. At least, in the name of The Pro Carry. I think the heavier spring is there to reduce felt recoil and aid in returning the barrel to firing point in the least amount of time.
Anyone else have a better/another conclusion?
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Old 01-01-2014, 05:05 PM   #4
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Originally Posted by pbsdaddy View Post
You would have direct the question to Kimber for a definitive answer. But, I believe it is in the name of the gun. At least, in the name of The Pro Carry. I think the heavier spring is there to reduce felt recoil and aid in returning the barrel to firing point in the least amount of time.
Anyone else have a better/another conclusion?
Whenever I've had a question, I call Wolff Springs. They are pretty knowledgeable and always are able to answer my questions.
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Old 01-01-2014, 06:49 PM   #5
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Good question and I wouldn't mind finding out the answer. I've been running the Wilson flat wire spring in my Super Carry Pro for the last year and really like it. It was a more expensive but I don't need the paper clip tool to break it down and after a couple of thousand rounds it's still feels new.
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Old 01-02-2014, 01:16 AM   #6
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Not really an apples to apples comparison as the ultra runs a dual spring recoil system. I started a thread about 1911 springs here that might help to understand more too.

Last edited by Mike240; 01-02-2014 at 01:27 AM.
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Old 01-02-2014, 05:24 AM   #7
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Thank you , I will look it up .
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Old 01-02-2014, 09:10 AM   #8
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Originally Posted by Mike240 View Post
Not really an apples to apples comparison as the ultra runs a dual spring recoil system. I started a thread about 1911 springs here that might help to understand more too.
Mike 240, you are correct. I called Kimber and they told me it was a dual spring operation and couldn't be judged like the other spring weights.

Thank you for your answers.
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Old 01-02-2014, 09:47 AM   #9
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DUH, as I slap my forehead! I knew that but I didn't know that LOL.
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Old 01-02-2014, 12:01 PM   #10
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Originally Posted by Chuck43 View Post
DUH, as I slap my forehead! I knew that but I didn't know that LOL.
Yes, as soon as Mike240, said dual spring, I knew he was probably right and the two different types of springs couldn't be compared to each other.

Beside Chuck, you should have caught that, and kept me from making a fool out of myself.
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