Recent content by kerneldrop

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  1. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    The accuracy goes way before the fire Even if the barrel maintained straightness — which it won’t — those bullets were tumbling and flinging.
  2. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    It survived .22lr recoil in the video
  3. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    The biggest factor in either is locating the dot or laser and that takes a lot of practice to build and continued practice to maintain the muscle memory. Acquisition speed is king, along with maintaining a sight picture. Some may have to look through the irons to locate the dot and laser. Red...
  4. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    This is a good read. The full document wasn’t released, but an executive summary was. https://soldiersystems.net/2014/09/25/fbi-9mm-justification-fbi-training-division/
  5. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    Here's a cool dry-firing and feedback analyses product that works: https://mantisx.com/products/mantis-x3 Here are two facts as it relates to a bullet's point of impact: 1) The bullet is still in the barrel during recoil. That is why a consistent hold is required for a consistent point of...
  6. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    Hi-Point actually makes an excellent carbine.
  7. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    Lehigh's rifle bullets are devastating no doubt. However, small-arms handgun cartridges do not have the velocity required for hydrostatic shock, which is highly controversial any ways even at 3,700 fps. Lehigh claims the bullet is hard enough to go through barriers yet soft enough to expand in...
  8. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    Yes, but it's just one ingredient to the recipe. It sounds humorous, but long-rod penetration theory is the premise of military weaponry designed to penetrate. That's basically what SD is...the higher the number the longer the bullet, thus in theory the more it will penetrate at a given...
  9. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    Hotter loads still start out faster. The benefits of velocity are argued until the end of day in terminal ballistics. Here is what cannot be disputed.... there is a line and one end you have ineffective performance and on the other end you have absolute effectiveness. Velocity and mass at some...
  10. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    You get a .400 cor-bon or .40 Super, or yea a mid 10mm. 45acp case is around 25gr of water, give or take. 10mm case is around 24gr of water, give or take. A lot of these pistol Wildcat cartridges are built around a gun, rather than built purely for performance. Also, a lot of handgun...
  11. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    As you know from being in the industry, sadly, gun writers, marketing and money drive that popularity train. A .40 case necked down to a 9mm bullet should be cheap to manufacture since it’s two common components in Merica. The really cool part is — at least with Glock and Sig — is going from...
  12. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    My background is in exterior ballistics. I talk ballistics and do something in the competitive shooting realm every day. My mind doesn't go to shooting for life situations when discussing firearms or training. Other than bullseye and silhouette, every handgun competition is literally defensive...
  13. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    I remember when you could get the import war pistols for 7.62 for like $200 off gunbroker. I wanted one. Just like the beloved 357 Sig…the bottleneck just feeds ultra reliably.
  14. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    9mm for example, from the latest Saami updated 12-13-22 MAP is defined as the maximuim pressure recommended for commercial loading. I've seen a +p+ 124gr 9mm advertised at 1300 fps....I can't achieve that with the powders available. They may have magic powder.
  15. kerneldrop

    Weapon light discussion, (loosely) related topics welcome

    And interestingly enough +p is a SAAMi spec, where as +p+ such as those sold by Underwood is just marketing hype and really just +p. No commercial maker will load outside of a SAAMI spec. Velocity and mass are more important than the caliber. The caliber is the mass and the cartridge produces...
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