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Recent content by 1SMALLJOHNSON

  1. 1

    5.56 is a deadly round.

    Somethings wrong with that picture. The mans body is on the ground. The brain has very obviously sustained "significant" injury. It splattered out of the TOP of his head, and rests on the ground, directly OUT of his head. There's no gap in distance. Were he standing, and shot in the...
  2. 1

    Prone- Slung and Biopod

    Zhoolka, Good point about the books. I don't know any books about "practical marksmanship". I can tell you that you can order the 3-position competition book, or the Service Rifle book from the CMP, but I've never seen an authoritative book about practical rifle marksmanship. I just looked...
  3. 1

    Prone- Slung and Biopod

    Hmmm, good question Chris. I would say this: Both the sling and the bipod are tools. Each have their benefit. If you're "down in the dirt" and waiting on a shot for days or even hours on end, a sling is not an option. But, if you're looking for "high utility" from ONE assistive device...
  4. 1

    Prone- Slung and Biopod

    Hi CJ, I would say that a simple web sling would likely not hold its height against the upper arm. By having a cinch mechanism (forming a secondary loop), I believe a good sling will hold it's location. You'll see various adaptations of the "hold up", whether another sling formed across the...
  5. 1

    Sleuthing IMI 5.56 77gr OTM LR Mod 1 ??

    Fair point. I'll put the load together and shoot it through a 16 inch barrel. Velocity at 15 feet, and accuracy at 100 yards? I don't have any IMI 77 gr OTM rounds. Would you prefer an alternative reference round or reference propellant?
  6. 1

    Sleuthing IMI 5.56 77gr OTM LR Mod 1 ??

    My partnership is importing Explosia propellants from the Czech Republic. Just yesterday, I tested propellant type "D073-06" against Varget. The test load was a 175 grain .308. The Varget yielded a velocity SD of 14.4 with weighed charges. The D073-06 yielded a velocity SD of 11.3 with...
  7. 1

    Prone- Slung and Biopod

    Hi Everyone, Well, this post is about making excuses. I was out running in the woods back about 3 weeks ago, and picked up some chiggers. Damn things got infected on both legs.....just at the ankle line. I went to see the doctor two days ago, and he put me on a course of antibiotics. I'm...
  8. 1

    Don't lose your head

    Notice how people from the local islamic mosque were interviewed? The only statement they were recorded as saying was how they were concerned about Americans attacking them. No condemnation of the beheading stated.
  9. 1

    Winchester primers vs. CCI-200 primers as indicator of pressure in 308/7.62

    My Toy, The testing of loads, and using the primer as an indication of pressure, is but one method to decide on "your level of comfort" with the pressure. From a gas gun, the effects of pressure upon the primer are further mired by the reciprocating mechanism, port pressure, and the unknown...
  10. 1

    Old school 40x questions

    If you've found an older 40-x, and you can afford it, grab it. Don't get rid of that barrel until you shoot it, and know for sure of its character. 40-x rifles absolutely came blued, and ABSOLUTELY came with wooden stocks. Is the barrel tapped for a front sight, by chance?
  11. 1

    Controling Runnout?

    There are several other things you might consider for analytical tools before you go and assume it's all about your run-out. You might have a look at your throat wear, using a Hornady "Stoney Point" COAL gauge. This will help you indicate how much jump your bullets witness before land...
  12. 1

    Measurement question - dillon 550b

    My only piece of advice is be sure the "elevation" of the handle and "turn-table" are appropriate for either your chosen chair, or for standing. You're going to be spending some time behind that unit, and you might as well get it right, as you're building the main support. Take a little bit of...
  13. 1

    Prone- Slung and Biopod

    So it seems that Sitting, it is. I can tell you that I've got an absolutely UN-orthodox position, but it is bone solid. Before I post it, I'm going to check in with "The New Yorker", and make damn sure it's "legal" for NRA HP. Stand by.
  14. 1

    Prone- Slung and Biopod

    OK folks, what's next? Sitting, kneeling, or standing? I can tell you that kneeling is the hardest to coach, sitting is the most painful (for me), and standing the simplest, yet with generally the "hardest" results.
  15. 1

    Powder and velocity

    Well, I looked up the definition of "Interpolate", and came up with the following. The description in the Wiki site is WAY too complicated. Here's the Cliff notes: Find two velocities, with two charge weights. From there, it's basically a cross-multiplication problem. If you understand...