Quote:
Originally Posted by SLT223
...any chance you measure the groove diamter of the two guns via slugging the bores?
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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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