Recent content by CoryT

  1. CoryT

    Suppressor Issue

    I've seen this issue, but only with handloads, not factory ammunition. If a powder is used that does not get a complete burn in the barrel length available, the excess powder and gasses can flash over in the suppressor, leading to a VERY high pressure wave going back down the barrel. The old...
  2. CoryT

    Trip to the "Desert" - OR - Oh That Insane Mirage

    As it happens, we just did the XLR class last week where I explain this exact problem and show some video. This is why I don't advise clients to bring scopes over 25-27X or so, we often need to shoot closer to 20x anyway. Understand, you don't actually see the target, you see an IMAGE of the...
  3. CoryT

    Night Vision Vortex Impact 4000 Rifle/Rail mounted Range finder???

    Honestly, unless you only own 1 precision rifle, I can't see doing anything other than mounting it to the spotter. Who wants to remount and rezero the thing everytime you change rifles, and who can afford one for each rifle?
  4. CoryT

    EoTech Clip-IR image download

    Anyone manage to get a copy of the image download software for the EoTech Clip-IR thermals?
  5. CoryT

    Geisselles new SPR barrel with special gas system

    I'm reasonably acquainted with physics.
  6. CoryT

    Geisselles new SPR barrel with special gas system

    Please explain how the gas port pressure changes alter the bone crushing recoil impulse of the 5.56 cartridge
  7. CoryT

    Night Vision Newb looking for clip-on advice and info

    One can generally rely on the manufacturer saying it has a clip on mode. If they don't, it does not. As stated, they need to be 1:1 at 1x, and have some way to align the screen.
  8. CoryT

    Night Vision Newb looking for clip-on advice and info

    1 Day optics are compatible in that the magnification range must work with the selected thermal device and mount high is within range. 2 For a thermal to act as a clip-on device, it must have a true 1:1 output mode and either a lens system ot screen alignment mode to get a boresight zero. 3...
  9. CoryT

    Metric trajectory correction formula

    Attoparsecs per furlong is the answer. Elegant in it's simplicity.
  10. CoryT

    Vectronix Bluetooth Adapter

    Anyone happen to have a Vectronix BT adapter for either the Vector IV/PLRF or the Vector 21 that I might borrow for a bit? Need a unit to test code for Field Firing Solutions and they appear to have gone out of stock everywhere. I could also use a PLRF25 BT early non-AB version, but that's a...
  11. CoryT

    Field Firing Solution (FFS) new Android release?

    OK, import of a KML file for targets and FFP's in now on the list. That should allow for integration to ATAK or Google Earth for targeting.
  12. CoryT

    Field Firing Solution (FFS) new Android release?

    The G1 from your muzzle velocity range is the starting point. You may need to alter that by a few percent after you find velocity /drop at range.
  13. CoryT

    Field Firing Solution (FFS) new Android release?

    It's more or less the same. If possible on 4DOF, use the 4DOF calculator and the custom drag models, then at 3/4 or so of max SS adjust the Axial Form Factor is need be. Otherwise the standard G1/G7 calculator is tuned like anything else. With FFS, we use G1 and then make long range...
  14. CoryT

    Field Firing Solution (FFS) new Android release?

    I have 4DOF, and if they are both tuned to the load and rifle they are within .05 mil and 10fps to 2300, which is my nominal test range limit.
  15. CoryT

    Field Firing Solution (FFS) new Android release?

    The above being said, if there are any Android UI experts out there that would like to contribute ideas on the UI, feel free to send me notes or sample files. The project is currently Xamarin Forms, as we had some issues with MAUI.
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