ORIGINAL: RugerMike
7600, 742, ect all are the same they hammer the bolt face with the extractor and bolt face on the barrel. If it has been shot alot go to a local gunsmith and have it refaced. If you can't find one e-mail me and I will find one in your area to have this done.
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You totally lost me on this one. Are you refering to how it comes apart or are you telling me why it pumps hard?
I don't think there have been over that 200 rounds shot out of this gun since it was new.