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  1. CS223

    Gunsmithing how do i build a rifle?

    Re: how do i build a rifle? Guidelines as in legal guidelines? Or machining guidelines for building a rifle from scratch?
  2. CS223

    Gunsmithing Sandblast prep...

    Re: Sandblast prep... I use the aluminum foil duct board tape to mask & protect areas from the abrasive. Rubber stoppers where necessary.
  3. CS223

    Gunsmithing posibably the dumbest machining question to date.

    Re: posibably the dumbest machining question to date. Most can manufacturers publish a barrel thread print on their websites & via a .pdf of their manual. If you are going to DIY, practice on a piece of scrap until you get the hang of it. Get a set of Pee Dee thread wires and a good 1" mic...
  4. CS223

    Gunsmithing parts washer solvents

    Re: parts washer solvents Mineral spirits is the defacto standard in the auto industry. SafetyKleen etc.
  5. CS223

    Gunsmithing Machining a BAT bolt .

    Re: Machining a BAT bolt . Nice work but I have to ding you on the bandsaw safety. Had a friend sever 50% of his wrist on a band saw "doing a quick job".
  6. CS223

    Gunsmithing air brush recomendations

    Re: air brush recomendations <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Phylodog</div><div class="ubbcode-body"> I also stopped using MEK. Acetone will work just as well for cleaning your brush. I don't know that acetone is any easier on your body than MEK...
  7. CS223

    Gunsmithing Duracoat in the chamber? (long)

    Re: Duracoat in the chamber? (long) I'd be very concerned with that approach, my experience with Duracoat is that it can be removed with a strong solvent like MEK. I'd patch it out and use a chamber mop first before I'd submit to bore lapping. JMHO
  8. CS223

    Gunsmithing air brush recomendations

    Re: air brush recomendations Two issues with the 350, the knurled knob has a tendency to loosen and fall off. A little Loctite is a good idea. The fluid cap i.e. nozzle needs to be well cleaned esp. around the threads before stowing. MEK is harsh on rubber & nitrile, just keep that in mind...
  9. CS223

    Gunsmithing OT-- fixing galled threads with a checkering tool

    Re: OT-- fixing galled threads with a checkering tool Just for general information, they make a "thread file" for metric & US threads. 8 different sizes per "file" Not something you'd use for gunsmithing but they should be standard issue in every mechanics tool box. Inexpensive too...
  10. CS223

    Gunsmithing looking to barrow some ar 15 stuff.

    Re: looking to barrow some ar 15 stuff. <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Poke</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CS223</div><div class="ubbcode-body">An alternative is to clamp...
  11. CS223

    Gunsmithing looking to barrow some ar 15 stuff.

    Re: looking to barrow some ar 15 stuff. <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: smokshwn</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CS223</div><div class="ubbcode-body">An alternative is to...
  12. CS223

    Gunsmithing looking to barrow some ar 15 stuff.

    Re: looking to barrow some ar 15 stuff. An alternative is to clamp the barrel instead, that way you're not putting stress on the receiver. ETA, I generally use a Field gage to verify headspace on new assemblies. Mind you, you need to remove the ejector and extractor from the bolt. Brownells...
  13. CS223

    Gunsmithing Any air compressor experts around?

    Re: Any air compressor experts around? If you decide to go at it yourself instead of letting some hack make a half ass fix, get the compressor numbers off the pump, a quick google search should yield a parts supplier. Unbolt the head, check the gaskets, there will be 2-3 depending on the...
  14. CS223

    Gunsmithing parking raw chrome moly action

    Re: parking raw chrome moly action I only use Molyresin, can't say for the other coatings. My personal preference is to Parkerize CroMo before coating. The only reason is it gives an added layer of protection with areas that get scuffed or abraded & helps hide some of wear. Some coating mfrs...
  15. CS223

    Gunsmithing Curing Ceracoat or Gunkoat in a gas grill?

    Re: Curing Ceracoat or Gunkoat in a gas grill? I know of one person that used a gas grill to cure Molyresin and was successful. Personally, I would never recommend it, too many reasons. A home electric oven is fine, just monitor the temp with a probe and let it stabilize. Or use the hot...
  16. CS223

    Gunsmithing Any air compressor experts around?

    Re: Any air compressor experts around? <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Sean the Nailer</div><div class="ubbcode-body">CS223, you are correct on so many different fronts. The thing is though, all of these 'possibilities' fall into the "Warranty...
  17. CS223

    Gunsmithing Any air compressor experts around?

    Re: Any air compressor experts around? <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: hink</div><div class="ubbcode-body">>>Snip<< I broke the head down, turned out to be a blown head gasket. From the manufacturer, the gasket was a $1 part. Shipping, they wanted...
  18. CS223

    Gunsmithing light for blasting cabinet

    Re: light for blasting cabinet I have two 110V outdoor flood lamps in mine. Still not the best setup due to shadows.
  19. CS223

    Gunsmithing 6.5mm Super L/R S Pilots

    Re: 6.5mm Super L/R S Pilots If I'm not mistaken, PTG would go .2558 on the bushing. It's best to call them though. .2560 would be the land to land distance and .2640 the groove to groove distance. Obviously you want the smaller dimension and then add the running clearance for the bushing.
  20. CS223

    Gunsmithing How to slow a bullet down in a bolt gun?

    Re: How to slow a bullet down in a bolt gun? As pointed out you really need to chrony the ammo before going further. I'm guessing you're buying after market subsonic ammo which is right on the edge as opposed to rolling your own. Here's a handy calculator Speed Of Sound that will give you...
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