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  1. Ledzep

    Margnal twist rate stabilizing question

    Not really accurate. Rotation degrades much slower than linear velocity and if you do 4DoF or 6DoF calculations on stable projectiles you'll see that SG actually increases downrange until you're several seconds into the flight at which point magnus usually starts upsetting things. This is true...
  2. Ledzep

    338 ARC

    Shortly after the .350 Legend was released I (jokingly) took a pre-shouldered, basically straight tube 6mm ARC case to my boss with a .40 cal bullet seated in it and said, "Hey! Look! The 400 MYTHIC!!" to which he said, "What?! No. God No." :ROFLMAO:
  3. Ledzep

    Need advice - 6 ARC bolt action load data for 103-108 gr bullets

    So something to keep in mind as a general note. May or may not be the cause of what you're seeing.. Ball powders in the burn range of LVR are typically used in old lever action cartridges. Stuff like .30-30, .32-20, etc. In the case of LVR, the factory that makes the powder, when they start...
  4. Ledzep

    338 ARC

  5. Ledzep

    338 ARC

    I'll fill one up with water today and let you know. ;)
  6. Ledzep

    Will NF design a wide angle lens?

    I design bullets for a living, not glass, so bear that in mind... BUT I did read a few optical design books and at one point understood prime optics and a couple of the effects (defects) associated with telescope design... What you're seeing through the scope is already "throttled" through an...
  7. Ledzep

    Trading a tacoma for subaru….

    Between a newer taco and a forester, I'd pass. I have a 2020 WRX and I'm pretty happy with it so far (~120,000 mi.; 30-31mpg). Handles weather well and you can get it most places (ground clearance limitation obviously) and it's got enough balls to pass the geriatrics. Works fine on...
  8. Ledzep

    Will NF design a wide angle lens?

    Honest question, why? If I can get 10 mils either way at 12-15x I've never wanted more. My ATACR F1 is more like 12+. That's just for rough target alignment, once I've found it my eyes usually don't leave +/- 5 mils from center.
  9. Ledzep

    LOP AR15 comparo: Entry, A1, A2

    A1 has to be in the ballpark of 13" because it feels about perfect for little guys like me.
  10. Ledzep

    New 338ARC from Hornady…

    Yeah 9mm cans with subs in the .338 ARC will be fine. I can check with the lab tomorrow but supers might be a little much on short barrels for pistol cans. Also, most .30 cal cans are in the realm of .360-.400" bore... Your call. Kind of like 6mm in 5.56 cans. Nobody is going to outright...
  11. Ledzep

    What am i seeing in my scope?

    Wouldn't have any worries if you get the same one back. It's just something in the focal plane (grease or paint on the reticle or in the rear housing I'm guessing). Their assembly room (gigantic clean room) is top notch. They can take these apart, clean, replace sub-components etc.. and put...
  12. Ledzep

    Maggie’s Motivational Pic Thread v2.0 - - New Rules - See Post #1

    Posted this in the other thread I know so sue me, but here's the church portion of the Residenz in Wurzburg, Germany.
  13. Ledzep

    Need advice - 6 ARC bolt action load data for 103-108 gr bullets

    StaBall Match is slightly slower burning than Varget. I doubt you can get enough in the case to get velocity better than Varget. Unfortunately the trade off is usually +100fps for 62ksi over 52ksi but -70-150fos for temp stable powders (Varget level temp stable). StaBall Match and StaBall HD are...
  14. Ledzep

    338 ARC

    For subs, pistol cans should be fine. We've run several 9mm cans on 1/2-28 threaded test barrels @7".
  15. Ledzep

    Hornadys new ELD VT

    I'm out of the office for a week or so but I can look at downrange stability vs. other bullets when I get back but from what I remember a 12 twist was fine and actually the calculated stability held on longer with the VT than with the 176 ATip. Real life may not follow the calculations, though...
  16. Ledzep

    So over the Contrived and Repetitive Nature of Stages today

    If nobody can see the bullet or the target nobody cares. You could film F-Class like golf with live feeds from shot marker targets, bullet trace track, and scores from the top shooters through the relays and it would be more entertaining than a jersey dude running around barricades...
  17. Ledzep

    So over the Contrived and Repetitive Nature of Stages today

    The viewability of it as a spectator relies on your ability to get the whole scene portrayed. It's easy to get video of people shooting but who wants to watch PRS B-roll for a weekend? What if all you ever saw in golf (and mind you, watching golf on TV isn't for everyone) was them swinging...
  18. Ledzep

    Savage 110 Tactical Barrel chatter marks

    Machine marks from reaming that they don't lap out before running a button through. I've seen some M1 Garand barrels that look like that.