Barrel Link Wear or Stretch?

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Barrel Link Wear or Stretch? Empty Barrel Link Wear or Stretch?

Post by mpolans on 7/13/2019, 3:40 pm

Assuming a gun is properly built, what would cause a link hole (slide stop hole) to grow larger and/or stretch?

Undersprung for a given load? (But the cases barely go a couple feet as it is.)

Just regular wear? (after how many rounds?)

Anything else?

Would this affect accuracy? (If the barrel is locking up with the lower lug supported by the slidestop, I wouldn’t think so...but not sure.)

Unfortunately, I’m out of town and can’t take pics right now.

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Post by Jon Eulette on 7/13/2019, 5:01 pm

Links are typically heat treated. If heat treating had an issue it could be soft and wear out prematurely. Link can affect accuracy.
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Post by jglenn21 on 7/13/2019, 5:17 pm

Soft link as Jon noted.. also you could have possibly had a link that was stopping the barrel on "link down" and not the Vertical Impact Surface(VIS)..

usually will break a link. with the slide all the way back the slide stop pin should be loose and not be in a bind on the link.( Jon reminds me of this all the time   Smile )
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Post by mpolans on 7/13/2019, 6:53 pm

So, short of buying a whole bunch of links and going by trial and error, how does one determine correct link size?

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Post by Dr.Don on 7/13/2019, 6:57 pm

You buy them in a set with a whole range of lengths.  Brownell's and others.....

Correct length will lift the slide stop over the "knee" of the lower lugs and yet be loose on the slide stop when the slide stop is pushed firmly against the end point of the lugs.  A pic would be great here I realize.


Last edited by Dr.Don on 7/13/2019, 7:00 pm; edited 1 time in total (Reason for editing : Added info.)
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Post by mpolans on 7/13/2019, 8:01 pm

Dr.Don wrote:You buy them in a set with a whole range of lengths.  Brownell's and others.....

Correct length will lift the slide stop over the "knee" of the lower lugs and yet be loose on the slide stop when the slide stop is pushed firmly against the end point of the lugs.  A pic would be great here I realize.
No, I totally understand.  Any preferred brands?  Wilson vs EGW vs ?

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Post by Jon Eulette on 7/13/2019, 8:48 pm

What is your measurement from link pin hole to the lug flat where the slidestop pin rest/bears?
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Post by mpolans on 7/13/2019, 10:56 pm

Jon Eulette wrote:What is your measurement from link pin hole to the lug flat where the slidestop pin rest/bears?
Jon
I didn't bring my calipers out to Ohio, but I think I see where you're going with this.  Once I know that distance, I just add half the diameter of the slidestop and the link pin and that should give me the center to center distance for the correct link size, right?

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Post by LenV on 7/13/2019, 11:01 pm

Roddy explained it to me that you can hear it rattle when you shake it in battery. I said "huh"?
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Post by Jon Eulette on 7/13/2019, 11:22 pm

mpolans wrote:
Jon Eulette wrote:What is your measurement from link pin hole to the lug flat where the slidestop pin rest/bears?
Jon
I didn't bring my calipers out to Ohio, but I think I see where you're going with this.  Once I know that distance, I just add half the diameter of the slidestop and the link pin and that should give me the center to center distance for the correct link size, right?
Not quite. I have piles of links. I was going to take your measurement and get you close to proper link size.
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Post by mpolans on 7/13/2019, 11:50 pm

Jon Eulette wrote:
mpolans wrote:
Jon Eulette wrote:What is your measurement from link pin hole to the lug flat where the slidestop pin rest/bears?
Jon
I didn't bring my calipers out to Ohio, but I think I see where you're going with this.  Once I know that distance, I just add half the diameter of the slidestop and the link pin and that should give me the center to center distance for the correct link size, right?
Not quite. I have piles of links. I was going to take your measurement and get you close to proper link size.
Jon
Thanks!  I’ll check when I get home. Kind of a bummer to be in Ohio for family stuff when the big shoot is going on, but at the other side of the state.

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