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Unread 04-15-2008, 09:53 PM
Bronze Member
Join Date: Apr 2008
Location: nw arkansas
Posts: 81

I have a new ruger m77 target .308 I have shot 40 rounds out of it and cleaned it 3 times do I ned to break it in,if so how do I?
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Unread 04-15-2008, 10:19 PM
Silver Member
Join Date: Jun 2007
Location: Spokane , WA.
Posts: 186
kinda late now. break in starts from the first round.

shot and clean after each round for the first 10-20 rounds or so. then start cleaning after each 3 round goup. everyone has there own process. I use something simular to this. look at Krieger, Lilja, Pac-nor or any other barrel makers website and they all have their own process for break in. But if you have already shot 40 rounds I would just come up with a good cleaning ritual and start load work-ups. If the barrel dont shoot you can always replace it and start fresh
" People sleep peacably in their bed at night only because rough men stand ready to do violence on their behalf " - George Orwell

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Unread 04-16-2008, 03:01 AM
JCM JCM is offline
Junior Member
Join Date: Jun 2007
Location: New Zealand
Posts: 24
I would soak the barrel overnight with a copper cutter and scrub the bore so there is no visible trace of copper. Then take it to a smith with a borescope and check for any machining burs. You may find it has already been broken in with those 40 rounds providing there hasnt been to much copper built up.
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Unread 04-16-2008, 06:58 AM
Posts: n/a
Hopefully none of the burrs you knocked off scratched the bore or the lands.

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