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Old 08-30-2017, 02:57 PM   #1
b0neZ
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Default 5" 1911 15lb Recoil Spring Failure to Load

Hey all! Been a while, so thought I'd through in a curiosity.

Back on Fathers Day I was at the range with my son. I got to thinking, "Ya know, I've had this 1911 for a while and have never changed the springs..any of them" and as this was a beautiful full store/smith/range, I went and bought a 15 lb recoil and swapped it out.

After the swap, it failed to load. It would strip a round off of the mag, but not chamber. Sometimes it wouldn't even completely strip the round!

Here's the question: This issue makes me think the spring is too light, and I should go up to maybe an 18.5 lb. Is this about right?

I know the adage "If it ain't broke", however I was starting to notice stovepipes and other ejection issues, and and already looked at the other common causes (proper grip, ejector, etc).
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Old 08-30-2017, 04:31 PM   #2
NYECOGunsmith
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If you were going to shoot standard velocity 230 grain ball ammo , what the gun was designed for, then the so called standard weight spring for a 5" 1911 is 16 pounds.

That 15.5 is too light, so the timing is off.

The slide is going rearward too fast, then coming forward too slow, hence the failure to feed properly.

In reality, with the 1911, you want to run a spring that allows the slide to go fully rearward at the proper speed witout battering the frame, and fully forward at the proper speed without battering the barrel lug and link.

So with each gun it takes some playing with it to get it perfect, but for a starting point with ball ammo, the old "factory" rate as most folks called it of 16 pounds will work.
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Old 08-30-2017, 09:38 PM   #3
b0neZ
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Default 5" 1911 15lb Recoil Spring Failure to Load

Interesting! I find it fascinating that that's the result of a .5 lb difference.

That's why I love building and working on firearms.


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Old 10-14-2017, 08:52 AM   #4
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Quote:
Originally Posted by b0neZ View Post
Interesting! I find it fascinating that that's the result of a .5 lb difference.

That's why I love building and working on firearms.


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Well did You change it out? Does it work now?
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Old 10-14-2017, 04:29 PM   #5
b0neZ
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Default 5" 1911 15lb Recoil Spring Failure to Load

Quote:
Originally Posted by Dusty View Post
Well did You change it out? Does it work now?


Doh! I knew I was forgetting to do something, and that something is updating this post. Mea Culpa.

I did change out the spring, and now itís back to running any brand I put through it flawlessly.
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Old 10-15-2017, 01:38 AM   #6
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Good to know thanks!
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