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Best WAD/POWDER to tighten 7/8 pattern

Discussion in 'Uncategorized Threads' started by Fraz, May 19, 2007.

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  1. Fraz

    Fraz TS Member

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    Need a little help looking for best wad/Powder combo to tighten my 7/8 pattern - @ 16 yd - full choke - lengthened forcing cone etc. Tried lightining wad/Figure 8 - Promo & Am Select- Any tried and tested ideas.
    Thanks Fraz
     
  2. Fraz

    Fraz TS Member

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    Hey guys no Noble wads around here - next better idea. Fraz
     
  3. 90T3200

    90T3200 TS Member

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    In my load I use less than the published Hodgdon recipe calls for because I want a slow load to mimick 1 1/8 LT velocity. In the winter I go up a powder bushing just in case - this is below 8000psi but the preformance is fine.

    Remington STS/Gun Club Hull
    17 gr Clays
    Winchester W209 Primer
    Winchester WAA12L "Gray" 7/8 Wad
    Either 8 or 8 1/2 shot

    My favorite 7/8oz load. Smokes the birds if I do my part.
     
  4. bigclown

    bigclown TS Member

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    Fraz, the load noted by 90T3200 is an excellent start but for a lighter and effective load try Rem STS, 16.0 gr. of Clays (MEC #30 bushing), Win 209, and Green Duster or Claybuster WSL (pink) wad with 8s or 7 1/2s. Easily run 25s at the 16 yd. line with smokeballs. Best Regards, Ed
     
  5. woodski

    woodski Member

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    My fav is 17.7 grains Rex 1 powder,Claybuster CB4100 7/8wad, with STS-Gunclub hulls. Its 1250 fps and 7620 psi. Smokes them from 16 to 21 yards if I do my part. Good luck and break em all!!!
     
  6. mrskeet410

    mrskeet410 TS Member

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    Why not just screw in a tighter choke tube?

    KISS

    Believe it, or not.
     
  7. Texas Ton

    Texas Ton TS Member

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    Tightest shooting 7/8 I know of uses 20 grains of PB, and the TGT wad in an old AA.
     
  8. washandwear

    washandwear Member

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    I like the two recipes below:

    AA hull, Fed209A primer, 16.5grs Red Dot, Pink Winchester 1oz wad,
    7/8oz hard 8s.

    Another one is Fed Gold Medal hull with 1S0 wad the
    rest is the same as above.

    AA good crimp but Fed little concave.

    Regards
     
  9. AJKohler

    AJKohler Member

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    There are a bunch of Gualandi and Baschieri & Pellagri wads you can try; they're available through Ballistic Products (http://www.ballisticproducts.com/) and Precision Reloading (http://www.precisionreloading.com/). BP has probably all of the data you might need, although their prices tend to be a tad higher. I'm partial to the B&P T2 over either 700-X or Clays; you might find a different combination more to your gun's liking. But look over both place's selection of wads and data and experiment.

    Tony
     
  10. famill00

    famill00 TS Member

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    I usually use a modified choke with 1 1/8 oz from the 16. When I shoot 7/8 oz I just tighten my choke to an IM. YOu get the same smokeballs with 7/8 of hard #8.5 or #9 as you do with 1 1/8 of 7.5's!!! I would suggest keeping the 7/8 load at around 1225 for consistent performance.

    Forrest
     
  11. furface

    furface Member

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    I use CB4100 wad, 7/8 shot, 16.5-17 grns Red Dot, same with 19 to 20 grns Green Dot in a StS that really smokes them. But it is a little loud. Good luck, Joe
     
  12. mrskeet410

    mrskeet410 TS Member

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    Chokes have the most affect on patterns. Shot quality is a distant second. Wads, powder, primers have trivial affect. Why pittle with the trivial?

    Believe it or not.
     
  13. JerryP

    JerryP Active Member

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    .040 choke
     
  14. Bob_K

    Bob_K Well-Known Member

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    Location:
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    Lower pressure = tighter patterns.
    Lower velocity = tighter patterns.

    The opposite is also true, and using these rules of thumb was how patterns were adjusted before the days of interchangeable chokes.

    (Green Dot is a slower powder than Red Dot, and that generally means lower pressure. That's why Green Dot is commonly accepted as having tighter patterns.)
     
  15. zzt

    zzt Well-Known Member

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    I think the single best 7/8oz wad ever is the Gualandi Rex24, but it only works in straight walled hulls (that does not include Gold Medal hulls). The Gualandi Spark is also terrific, but you'll need a very bulky powder unless you can use high basewad straight walled hulls.

    The Federal 12S0 works well in Gold Medal and, believe it or not, STS hulls.
     
  16. gcbluerock

    gcbluerock Member

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    <a href="http://photobucket.com" target="_blank">[​IMG]</a>

    Downrange Mfg XXL-orange wad
    Estate / Federal / any straight wall hull
    18 grains Alliant Promo
    FIO 616 / Nobel Sport 209 primer
    7/8 oz hard shot
     
  17. phirel

    phirel TS Member

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    Bob_K wrote above "Lower pressure = tighter patterns. Lower velocity = tighter patterns." This seems to be intuitive logical but does not stand up when tested on paper.

    Greed Dot is known to tighten patterns over other powders when loaded equivalently but the difference is not very great. Green Dot is not the best selection for a 7/8 oz load.

    Fraz- The answer to your question is in the choke, not the shell.

    Pat Ireland
     
  18. Bob_K

    Bob_K Well-Known Member

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    Pat...

    My source for the pressure and velocity guide is Bob Brister's bood, "Shotgunning: The Art and the Science." Not many folks have shot as many patterns as he did. Do you have a better reference?
     
  19. BunkerGuy

    BunkerGuy TS Member

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    Since the UIT, now ISSF switched us to 24 gram loads I have shot and evaluated a couple thousand patterns to find the tightest combination. There are several. First, I suggest a calibration load: use the 1300 '/s factory Winchester AA (Grafs seems to have stock). I have found no other factory shell that can be relied upon lot-to-lot to equal the AA. Most were a joke. If you can get a pattern percentage equal to that you have something (consistent 85% at 35 yards with a 42 point choke). If you're running the velocity down to 1200 '/s you should be able to beat it.

    The closest handload I found to the AA was a Remington Gun Club hull with the Remington primer (any hotter and the pattern opens, weakening the 10" core), Hodgdon TiteWad, Winchester GRAY wad and West Coast shot that I had micrometer-measured and selected for superior grading. Using Motor Mica increased the % by 2%, achieving a match+.

    I found that there was no ryme or reason for a high percentage load. Only a careful 15 - 20 pattern test would determine what worked.

    I also had comparable results with SOLO 1000 in Cheddite hulls. The REX wad mentioned above patterned 3% more open than the B&P T2 (078Lightning), but the pattern was more uniform. It also had lower felt recoil after careful velocity matching.

    If you're only shooting 16 yard or skeet targets, it really doesn't matter what you use as you can adjust the choke to deliver the results you want. It's possible to achieve 90+ percentages at 30 yards. At 40+ yards, even with the best possible cartridges and tighest chokes, the pellet count is so wimpy that luck plays a large role in breaking targets with the 24 gram load.

    - - Bill
     
  20. mrskeet410

    mrskeet410 TS Member

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    Believe it or not, the tightening effect that Green Dot powder has on patterns is not trivial. Skip Carver

    It's trivial.
     
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