M57 9.23 conversion MN

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ldga

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Mar 2, 2015
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Hello first time on not sure if this has been covered:

I have a M70 9mm could I use this as my starting point and remove the
mag spacer then buy M57 mags after reaming the barrel to 9.23.
Are the ejection ports the same size on a M70 as a M57. I'm I doing this
backwards should I just buy a M57 and use my M70 barrel?
Any comments from mastiff or clark would be appreciated since their
Toks and M57's have stood the test of time.
 
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