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Thread: .690 Round ball load data

  1. #1
    Boolit Buddy
    Join Date
    Mar 2015
    loppstaa country

    .690 Round ball load data

    Im looking for a subsonic or as close to it as i can get,
    low pressure load to start out with not expecting to go past 30-75 feet in my shooting range
    heres what I have
    .690 roundball = 481.6g

    Downrange Yellow
    aka WAA12F114 = 36.2g

    3- 20g cards = 19.3g
    543.1g total

    Cheditte from Precision , CH12GA 2 3/4 LMH
    short brass red hulls
    Winchester AA once fired hulls,-- CCI209M,Fed 209A, Win W209,Rem STS 209- primers



    Hogdgon and alliant online isnt any help nor is my Lyman's 5th

    hoping you guys who load these pumpkins can help me

    Last edited by 49FMarlin; 01-14-2020 at 09:06 AM.

  2. #2
    Boolit Buddy
    Join Date
    Dec 2017
    I'd start around 18 grains of clays in a cheddite hull, with a non-magnum primer, and work down a half grain at a time until you get close to 1050 fps or so...or the shot loses that "crack". This isn't a published load, just an educate guess. If you are super worried about safety at these low pressures, then search through all the published load data you can find until you find a 1 1/8 oz load with a combination of components you have...and work down a half grain at a time. You're safely out of the danger zone playing with subsonic slugs, as long as you stay below trap load powder charges. Unique is a really good powder for this. It sounds like you and I are playing with the same kind of loads.

  3. #3
    Boolit Grand Master

    Join Date
    May 2005
    Castlegar, B.C., Canada
    What I have collected but not used yet:

    From Slug R Us for Hammerhead slugs (432 grs. to 463 grs.):


    The last load listed is for Green Dot though not one of your powders of choice.

    Some info I downloaded from... ? I didn't record it! DOH! I suspect it came from Shotgunworld:

    "Here are figures supplied to me by the Ballistics Lab at ADI Australia using ADI AS30N (This is Hodgdons 'Clays')
    (The same data should be able to be applied to 'Red Dot' with very similar results as it is reportedly the same bulk density and burning rate.)

    12 Gauge
    Case: Wichester AA compression formed (Should be the same in the new Winchester case)
    Primer: Win209 or Fiocchi 616
    Wad: WAA12 (1-1/8th wad)
    Powder: ADI AS30N/Hodgdons Clays
    Shot: 1-1/4oz Lead Shot

    11 grains = 851 fps @ 5970 psi
    12 grains = 910 fps @ 6915 psi
    13 grains = 944 fps @ 8610 psi
    14 grains = 985 fps @ 9840 psi"


    "After much experimenting, MY LOAD:

    Case: Cheddite 12 Gauge, 2 3/4" 16mm - CLEAR hull
    Primer: Cheddite 209
    Wad: Alcan Air Wedge , 1/2" Feltan Blue Streak , .135 Nitro Card over shot, slug - ROLL CRIMP *Using a BPI Roll Crimper
    Powder: Hodgdon CLAYS - 13.0 grains
    Shot: Qty 12, #00 Buchshot or 1 1/4 oz Slug.

    *Sounds like a 22 short.
    * Nice patterns out to 25 yards with buckshot. Slugs are accurate out to 50 yards.
    * Roll crimp gives a nice tight package. Feeds well in a pump shotgun.
    * The finished overall length after roll crimp is 2 7/8""

    Use at your own risk and again, I have not used this data, just collected it. The 2nd and 3rd loads are for heavier payload than 0.690" but as pashiner says, you can reduce charge until the crack disappears if they are supersonic with lighter payload.


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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check