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Old October 21, 2010, 08:22 PM   #15
nanuk-O-dah-Nort
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Join Date: October 21, 2010
Posts: 20
Go Gauge!

triggerman770 wrote:
You don't, I repeat don't, use a Field gauge for barrel installation.
on regualer rifles a gunsmith will use a go to set headspace and a no-go to
verify his setting.
On a Savage I take the ejector out of the bolt, screw the barrel in and insert go gauge. close the bolt and tighten till it stops, then tighten the barrel nut to about 80-90 ft/lbs. the result is a minimum chamber(which is good for accuracy). I will use a no-go to verify the bolt won't close. then reinstall the ejector and clean it up and it's ready to roll.


What triggerman sez...

I'll add one thing. Using only the GO gauge, use a piece of cellophane tape, like "Scotch" brand tape.

tape over the face of the base, and trim neatly with a sharp knife. This makes your GO gauge a slightly undersized NOGO gauge. The bolt should NOT close on this, but almost! a NOGO gauge will hardly allow the bolt to close. the taped GO guage lets it almost close, if set as triggerman sez above.
to be sure, use two pieces of tape and the bolt should NOT even come close to closing.

remember to do a good job taping and trimming it off the head.
if you do not understand what I mean, GET the NOGO gauge
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