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  1. DrDeFab

    do you think I could fit a 6-40 set screw into a 6-42 hole?

    Assuming Ruger didn't make a typo when they sent that, I would drill and tap to a larger standard size, probably 8-32 or M5x0.8.
  2. DrDeFab

    AR pistols still being sold w/ braces?

    Never did get anywhere on the phone, but I used this (as found on https://www.atf.gov/firearms/applications-eforms ) And eventually they notified me by email that the form was corrected. I was waiting until mid-May to submit, hoping maybe the whole thing would be resolved by then, but it's a...
  3. DrDeFab

    AR pistols still being sold w/ braces?

    Yes, seriously, about six hours. About half of that on the phone (on hold or getting transferred several times) trying to get them to resolve a problem with their form. Their database didn't recognize that my zip code could apply to two counties, so it wouldn't let me enter my actual address...
  4. DrDeFab

    AR pistols still being sold w/ braces?

    ...except for the cost of the electronic fingerprinting service and my time (about six hours: setting up an account, digging up old records, making sure I understood the red tape, resolving a problem with their forms specific to my zip code, driving two towns over to get my fingerprints scanned...
  5. DrDeFab

    Braced Pistol stamp Watch Thread

    Two still in process - submitted on the afternoon of 5/31. I suppose I'm "that guy", but I was waiting to see if there was any late breaking news.
  6. DrDeFab

    5 shot groups "kinda worthless"?

    Here's some related reading, for those who don't want to be saved from the mathematicians.:neener: https://www.sciencedirect.com/science/article/pii/S2214914717300776
  7. DrDeFab

    What Degree of Specificity Can a Fired Bullet Reveal the Make and Model of the Gun it Came From?

    Some additional info here, if a little dated: https://www.firearmsid.com/A_nogunid.htm And here are some recent developments in matching a bullet or case to a recovered firearm: https://www.nist.gov/news-events/news/2018/02/how-good-match-it-putting-statistics-forensic-firearms-identification
  8. DrDeFab

    eForm 1 error and how to deal with it.

    Thanks! After a 30-minute hold, the given answer was to submit the form, followed by an "Ask the Expert" question with the 1. the ID of the submitted form 2. a description of the error, and 3. the correct county information,
  9. DrDeFab

    eForm 1 error and how to deal with it.

    To be brief, ATF Form 1 (5320.1) limits the selection of county based on zip code and won't let me enter my actual county of residence. My zip code has roughly 98% of its residents in one county - and I am in the lucky 2% in the other. Suggestions? Submit with the wrong county?
  10. DrDeFab

    I Know It's Czech but the CZ52 Looks Like It Was Design By Citroen?

    A friend of mine bought three "gunsmith special" CZ-52s back in the day for next to nothing - and as usual I worked on them for him. Two failed the "pencil test" - the other had a broken firing pin. All three needed extractor springs, and one had galled rollers. I dropped Harrington refurb kits...
  11. DrDeFab

    Help me name this pistol

    How about a motto instead? I always thought "ultima ratio de libera populi" ("The last resort of free people") would work well.
  12. DrDeFab

    Who Else Has Finally Figured Out That Sub-Compacts Are a CCW Handicap?

    I've seen a few - the USFA Zip .22 for example. https://en.wikipedia.org/wiki/USFA_ZiP_.22 . Ergonomics that bad are certainly the exception, though, and the market seems to sort it out quickly enough.
  13. DrDeFab

    Labradar captured & displayed each shot, but failed to save on SD card!

    Sounds like you need a Labradar retriever... :neener:
  14. DrDeFab

    AR Pistol Buffer Tube Paracord Wrap

    https://www.regulations.gov/document/ATF_FRDOC_0001-0049 The numbering scheme is a bit of a mess (as is the writing of the regulation) so pardon me if this is off, but I believe the reference is to [IV.B.3.a.(6).b.vii Adjustability] which begins: 'A majority of the commenters disagreed with the...
  15. DrDeFab

    Will your pistol operate under worst case conditions without malfunction?

    By definition, no, it will not operate under "worst case conditions", because if it is still operating, I can make the conditions worse until it doesn't. Q.E.D. I'll settle for operating under "reasonably adverse conditions", and I'm fine if my criteria for that don't match someone else's.
  16. DrDeFab

    Which 1911 mags?

    No, I didn't feel like messing around with it, and fortunately didn't have to. The story is that I bought three new 47Ds that wouldn't run in any 1911 I tried (several different brands, including Colt and SA) The followers would bind up, and slide hold-open rarely worked. Probably just a bad...
  17. DrDeFab

    Which 1911 mags?

    For me MecGar is great, but definitely NOT Wilson, especially 47D. YMMV, so trying a few is a great plan.
  18. DrDeFab

    Asking to pull the trigger in the gun shop

    Yup. A casual "Mind if I dry fire?" (sounding like I expect a "yes"). Only denied once, a fairly nice blued custom shop revolver - the shop guy gave me an apologetic "you know how some guys are about turn lines, so unless you're really serious..." I wasn't, so I completed the rest of my...
  19. DrDeFab

    If you want to take the collar off an Opinel

    Since we're trying to be more precise, the UK does not explicitly recognize "recreation" as a defense for violations of section 139 of the Criminal Justice Act of 1988. Those are enumerated as: See https://www.legislation.gov.uk/ukpga/1988/33/section/139 It's possible, even likely, that...
  20. DrDeFab

    Moving to Raleigh, NC and need some intel.

    They still had the one yard when I took my class. I was 24/25.., Missed the final shot at one yard because I was using .45 ACP +P and the prior muzzle blasts had the target flying nearly horizontally. Left a several inch long elliptical hole, complete with powder burns, in the lower center of...
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