There are gunsmiths then there are parts swappers, armorers & Bubbas. If you can't make any part you ain't a gunsmith. I owned a gunsmithing business for over 30 years (now retired). I apprenticed from Grandpa who could build or fix anything then went to machinist & welding schools to learn modern equipment. Grandpa did everything the old way, made all parts, welded, tempered, made springs, checkered, etc. I did very little retail & had no interest in it. In the 80's I made good money sporterizing Mauser rifles, I could make more on a Saturday than working all week @ a regular job (I worked another job 8 hrs. a day to help pay bills + 6hrs.@ night 4-5 nights a week & all day Saturday). Like mechanics most gunsmiths prefer to work on custom projects, not change a tire on a Kia or clean your gummed up Mossberg. There's no real money in repairs: Good guns don't need much, cheap guns aren't worth it... & there's always the dork who checks his broken rifle the day before deer season & doesn't understand poor planning on his part isn't an emergency to you or the other customers he wants to bump. Custom builds are fun but time consuming & require a lot of expensive tools (you could buy a new truck cheaper). I sold most of my tools when I retired & despite whining from those who want me to I'm NOT buying more, I like being retired. The only guns I work on now are my own projects (or a very few close friends). No, I don't want to look @ your Glock, Mossberg, Hi Point, Taurus, Remington or other gun that costs more to fix than it cost. Hint regarding Remington 700's: If your gun goes bang when you close the bolt soak the trigger in alcohol for a couple days, scrub & stop using Remoil, sewing machine & 3-in-1 oil. Hoppes is the cure.