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Old 10-06-2017, 10:26 AM   #1
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Is there anything I need to know!

I want to put Magwells on two of my Springfield 1911's. They both have that (ILS) internal locking system. When I change to a one piece magwell do I have to do anything different or does that ILS come out when you remove the original MSH?

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Old 10-06-2017, 01:04 PM   #2
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The intervals are different. The maInspring is not the same. It can be done but the internals will not be captive and it's a pain. I replaced several at work. I just bought the maInspring housing refill kit from
Brownells or you do so part by part. The ILS maInspring I think 28#s. Standard is 23. Kimber uses 21. I usually use 19s.

This and the mainspring housing of you choice....
Yea. Keep telling yourself that split times donít matter.

Last edited by Mike240; 10-06-2017 at 05:17 PM.
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