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cad_man

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About cad_man

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  • Birthday 07/25/1960

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  • Gender
    Male
  • Location
    Mission Viejo, California
  1. WOC-12 -> no magwell? Saiga12 revisited. No thanks.
  2. I did the same and I love it too. Unfortunately my MKA now just sits in my closet gathering dust.
  3. If you don't live in CA and have a BB, get rid of it. If you live here, you stuck with it.
  4. They are not interchangeable like Jim said, which is unfortunate since the MKA BB is junk. You'll need to redesign and machine your own, or find someone with a 3D printer.
  5. How about the upper receiver, did that die or is it still in development?
  6. cad_man

    POS guide rod

    Pre XN guide rods are standard right hand threads. I believe XN guide rods are left hand threads, but not sure if it is the receiver end or muzzle end.
  7. cad_man

    Rhino Arms

    This isn't the first attempt at an AR10 shotgun. The RAS-12 could have been a winner, but proprietary ammo is pretty much a sales killer. If Rhino makes magazine feed issues go away then I'll be in line to get one.
  8. cad_man

    Rhino Arms

    Looks very promising, even have a California compliant version. I think I'll be watching this.
  9. I have Thordsen UBMLs on our ARs, and with a minor modification it fits my MKA perfectly.
  10. Is this yours? This would also complete my MKA.
  11. Yep. If it ain't broken..... The other issue with the wire EDM process is the finish. The recast layer from wire EDM doesn't have any functional affect on an AR magwell, but the finish is not that great and can be slightly abrasive, especially after anodize. A broached finish is far superior. The cost of a broach is not cheap either, and you need a broaching machine too, but for production you can't touch it.
  12. Plunge rough the magwell in less than 30 seconds on a VMC or HMC, follow with a single contour pass at 4 or 5 doc, then either wire or broach. Wire EDM is slow and expensive, so you want to finish in one pass if possible. Broaches are more sensitive to the size of the initial form they have to go into, but a faster operation. At the last shop I worked at they would get quotes to wire AR magwells, but would never get any of the jobs because the process is too expensive. This would include hole pop the start hole, then 2 passes (rough & finish). You are looking at $40-$60 per magwell.
  13. I guess your a little too far to help out. If you are ever out here on vacation though...
  14. Installed the Thordsen Bilateral magazine Lock. It was designed for ARs, but works on the MKA too. I have the Thordsen Armorer's Kit for this which contains a couple jigs, but it only works for ARs. So I needed to measure the distance between the mounting holes, position the lock on the receiver to drill & tap the first hole, then move to the next location and finish the second hole. Then mark the location for a tapped hole on the magazine latch, remove it and drill & tap. The latch sticks above the FB receiver (don't remember if it did on the stock one), so it interfered with the
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