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  1. John Glidewell

    6mm GT Barrel Life

    an XCEL formula. Input powder burn rate (heat of expansion#), diameter, charge, pressure, bullet weight and it gives you barrel life est. You get the data from quick load and a trued profile for a rifle.
  2. John Glidewell

    6mm GT Barrel Life

    I think that is part of it. We do not run hard IE long fast strings. Our matches are long range varmint and we only do 2 five shot strings at 2 to 2.5 min ea string then guns cool. I think the PRS type shooting is harder on barrels. I will be running 115 DTACs on these next barrels with...
  3. John Glidewell

    6mm GT Barrel Life

    It depends on how hard you run it. I am at 2500 on one now running 109s at 2930 with RL15.5. Based on what I see in the barrel I think another 500ish and it will start to die. But a lot of folks are seeing 2500ish numbers before they start to any accuracy or performance issues.
  4. John Glidewell

    Emotional roller coaster: 6 powder droppers in < 3 years!

    Not yet. Shot Show and shoulder surgery kinda put a damper on this project. This next iteration for testing is on the printer as I understand. It will take a few weeks to thoroughly test these. If I had to guess, probably a few months. But it depends on a few things. One big one is if we...
  5. John Glidewell

    Emotional roller coaster: 6 powder droppers in < 3 years!

    I have been working with MKM for a bit on upgrades for the V4. We are very close to a finished product. Latest tubes / overserts are coming for testing and we have a few beta testers. I think folks will like the new tubes / oversert we developed. Larger diameter and course threads with...
  6. John Glidewell

    Emotional roller coaster: 6 powder droppers in < 3 years!

    You don't have to disconnect wires. Mine are plenty long enough to dump without disconnecting.
  7. John Glidewell

    Emotional roller coaster: 6 powder droppers in < 3 years!

    After pulling powder hopper and dumping powder from back, just lift the V4 and dump the tubes. I dump right into the hopper no spills.
  8. John Glidewell

    Ingenuity Powder System

    The shims are good to go, they have a replacement powder hopper with shims. The nozzles / small tube tips are still being tested and not released yet, but getting very close. The V4 upgrades make a huge difference in how it performs.
  9. John Glidewell

    Fouling past the case neck

    What velocities are you seeing? Are you shooting suppressed? I doubt it is annealing. More likely as stated previously: 3-Light charge on load. 4-Suppressors (much more of an issue with semi-auto and yours is a boltgun). These "somethings" can work together to leave some smokey cases. Your...
  10. John Glidewell

    Fouling past the case neck

    Powder, charge, bullet?
  11. John Glidewell

    7 prc load help

    17 pages of 7 prc https://www.snipershide.com/shooting/threads/7mm-prc.7121760/
  12. John Glidewell

    Vihtavuori in a 6 gt

    No. I could not find 109s that did not cost an arm and a leg. I got a few k of 115s. If 109s ever come back at reasonable prices with some consistent stock I might go back to them.
  13. John Glidewell

    Ingenuity Powder System

    Do you ground your scales too? Along with what you mention above, I have found that grounding the scale also helps and is recommended by AnD.
  14. John Glidewell

    Powder IN-STOCK thread

    and gone lol
  15. John Glidewell

    Ingenuity Powder System

    2 pages back it explains all this.
  16. John Glidewell

    6.5 Creedmoor

    I would give N555 a good look. Very cool burning powder, easy on barrels and temp stable. Of the VV powders, N150, N160 and N555 are going to be your best options.
  17. John Glidewell

    6gt

    Post 841. Berger data but should work for Hornady too. https://www.snipershide.com/shooting/threads/6gt.7053224/page-17#post-10194433
  18. John Glidewell

    Feedback Request - Proposed Order of Operations

    steps 4 and 5 can be at same time. If you are trying to really reduce duplicate processes. I do a very similar process and size de-prime in same step.
  19. John Glidewell

    Which Charge Weight would you pick based on these results?

    You have a point. Some years back the Hornady manual had 40.8 or 41.2 as max for 140 and H4350. However, their match 140 ammo had a recommended reload of 41.5 of H4350 printed on the box, lol. I think they stopped printing load data on ammo as it did not jive with manual data. I have yet to...
  20. John Glidewell

    Which Charge Weight would you pick based on these results?

    https://precisionrifleblog.com/2020/04/28/bullet-jump-research-and-load-development-tips/
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