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  1. D

    Inconsistent Seating Depth

    Oops, get a LARGER mandrel to not squeeze as small!
  2. D

    Anybody care to explain this charge weight/POI ridiculousness?

    I would re do the test and verify your results. I suspect that its a mirage issue and that something changed from first two to second two groups. We don't know how far you are from the target, I suspect 100 yds. Provided you are shooting a light rifle, changing how you position the rifle can...
  3. D

    Factory brass 300WM ammo. Do I shoot it or pull the bullet, and reload it?

    Primer pockets open up after the second loading, and sometimes after the first loading with .223 and .308 FC brass, the new stuff. I have to assume its the same with MAG brass. You will know if the brass is junk if the primer pockets open up after one reloading. As such, its not worth the...
  4. D

    quick question over partial resizing

    Partial sizing is when you deliberately back off your FL die so that it does not bump the shoulder back. In theory, this produces a "partial neck sizing effect" without a neck die. I along with most high-power shooters have found that proper FL sizing is the way to go. By proper I mean...
  5. D

    Load development - ladder test - what does this tell me?

    .3g is not enough of an increment for a .338 to show things well. .5g in a .308 is 1%, or about 1g in a 89g capacity case. try 1g increments and see what happens. With that said, it looks like there is more of a group with 1-2-3 and the 5's are high. Chronograph your loads at the same time...
  6. D

    Factory brass 300WM ammo. Do I shoot it or pull the bullet, and reload it?

    throw the FC brass away (after you shoot it). Its too soft to reload.
  7. D

    Inconsistent Seating Depth

    I think you have too much neck tension. for a .308 bullet, you want .306-.307 inside diameter. I think its the LEE underside mandrel that's causing the issue resulting in too much neck tension which is compressing the brass and causing some to "spring back" more then others. .002 in my...
  8. D

    Seating 223 flat based bullets

    There are two "issues" with small flat based bullets. the first is that they are hard to get them to set on top so you can seat them, second is that the bases are more prone to damage. A M or mouth die is an easy fix for both as you flare out the mouth of the case just enough to take any small...
  9. D

    Inconsistent Seating Depth

    I can think of two possibilities: 1.) your seating die is seating bullets off the tip and not the ogive. I think the AMAX bullets are consistent in length, but there is likely some variation. 2.) What kind of sizing dies are you using? provided you are chamfering properly, I suspect this could...
  10. D

    6.5x284 load help needed

    I started with 51g H4831SC with a 142 sierra in a Laupa case with Russian primers in a Lilja 30" target gun. Don't recall velocity but it was good enough for a 2nd place at a big NRA 1000yd regional. That is a very popular load. It also shot well in my other 6.5-.284. I have tried H4350 and...
  11. D

    "high" standard deviation... why?

    I suggest you look at ES and SD, 9 x rounds at 3000 fps and 1 rd at 3100 will give some impressive SD, 10 fps I think but that 1 round is what you are attempting to eliminate. With the small sample sizes that we are testing, usually 10 at most, ES can provide some statistically unreliable...
  12. D

    How much is too much Jam?

    Its called soft seating, its a good place to start with 80 VLDs. Play a little with neck tension if you want but you will be committed once you chamber a round and not be able to extract it.
  13. D

    Berger 185gr Juggernaut testing

    Try less neck tension and soft seating them. Varget is a little one the fast side for 185's. Federal cases are very very soft so they don't last very long.
  14. D

    Greetings from Haiti

    At the moment I am deployed to Haiti and I'm having gun withdrawals. I'm looking for some new sites to keep me sane until I get back home. I'm a long time NRA HP XC and LR shooter and also shoot USPSA and 3 gun.
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