They don't really have a gunsmith, but can help with basic stuff like scope mounting. I am sure that even better than lubing your gun for you, they will sell you some good oil and walk you though it if you ask nicely so you can do it yourself from then on if you want to.
Yes they have an on-site gunsmith can help you.
Staff can help you learn about your firearm and help guide you in proper maintenance and cleaning. You should take the time to get to know how it works
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