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Old 06-25-2017, 03:12 AM
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BLUEDOT37 BLUEDOT37 is offline
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Quote:
Originally Posted by SLT223 View Post
...any chance you measure the groove diamter of the two guns via slugging the bores?
I use pin gages, a telescoping gage & a micrometer.

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They're pretty close, as best as I can tell:

Mdl.......Bore.......Groove...Throats
69....... .4168"... .4296"... .4292"
629..... .4168"... .4292"... .4291"

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Last edited by BLUEDOT37; 06-25-2017 at 03:19 AM. Reason: .
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