Recent content by osan

  1. O

    M1/M1A bolt

    Good grief... talk about a brain fart... I'd not even considered the difference in cartridges. DUH. Thanks very much for the gentle smack in the head in which I was in apparent and sore need. Looks like I will be CADing from the ground up.
  2. O

    M1/M1A bolt

    Are the botls from M1 Garands identical or otherwise compatible with those of the M1A? I ask because I am playing with an idea for an M1A bolt I am modeling. The M1A bolt is not the easiest to CAD up and the prints I have are fuzzy-at-best. Someone sent me a partially completed model but it...
  3. O

    Rifling Question

    Funny you mention this. I found it shortly after posting... figures, of course. Anyhow, ATF once again put their arbitrary kybosh on the straight rifling idea, the vermin, so that does that. But it doesn't settle the question of whether there is a minimum twist rate, so far as I know...
  4. O

    Rifling Question

    I've looked for this elsewhere but see no references, so here I am... Legally speaking, is there a requirement that a rifled shotgun barrel's rifling have actual twist, and if so, it there a minimum rate? IOW, can I legally have a rifled barrel where the rifling is straight or so close to it...
  5. O

    Sear engagement

    I am in the process of designing a trigger for AR10/15 rifles and am wondering whether anyone could tell me what the typical range of adjustment for sear engagement would be in a typical match rifle. My thinking has been in the 0.025" ballpark, but I am not sure about minimum engagement for...
  6. O

    The Resistance Rises: Restoring the 'Castle Doctrine'

    What do you suggest? Laying down and spreading 'em for them? Shoot the mongrels as dead as yesterday. If everyone answered them this way they would get some religion and desist. Sure, they might decided to escalate their methods, but this runs the risk of precipitating public responses they...
  7. O

    Which National Reciprocity Bill to support?

    I cannot speak for Begich, but Manchin is a dick. Actually, he isn't. To call him that elevates him so far above his true station as to insult the dicks of the world in an unforgivably egregious manner. Let us just say Manchin is not our friend in this. He "supported" gun owner rights as...
  8. O

    Legal/illegal concealed firearm??

    The receiver is a firearm. If you are prohibited by colored law from carrying and you are apprehended with "parts", you will be in hot water. If I machine up a DIA for an M16, which is but three miserable parts and am apprehended with it in my possession, I will be charged with NFA violation...
  9. O

    Isn't SCOTUS the only decision that really matters?

    One of the earliest and most serious problems to arise in US governance came with Marbury v. Madison wherein the SCOTUS assumed powers never granted it. Rather than reading them the riot act or, that failing, running their coffins out of town on a rail, the nation let it go and here we are, the...
  10. O

    dagger

    Your question is very broadly phrased. There are many ways to make a dagger. You could start with a completed blade or you could make your own. You could forge or do stock removal. Then there is the heat treatment aspect, which in the case of a long and think blade becomes a difficult step...
  11. O

    Defensive Knife - General Questions

    There are several aspects to address here. First, there are few universals where such questions are concerned. I would have to disagree with the assertion because the issue is one of personal preference. What works well for one person fails for another. That said, one must have enough...
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