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Old 09-11-2017, 10:11 PM
Yorkie Man Yorkie Man is offline
Join Date: Sep 2008
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Default 4006 multi caliber

I have a 4006 that I fitted a 5906 slide and barrel to about 10 years ago to go with my 411 that I fitted a 5904 slide to also and it was nice being able to fire both calibers out of the same pistol. Recently I decided to rechamber a spare 9mm barrel to 357 Sig caliber and use it on the 4006 frame.

It was not that difficult to do but it requires opening up the breach face to accommodate the 357 Sig. The ejector works and I have installed a 20 lb recoil spring which is what the Sig pistol uses.

You can still use the 9mm barrel so it is now a three caliber pistol.

I just received the recoil spring today and plan on test firing it this week so I will keep you posted.
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