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Thread: Any one shooting cast boolits in a 256 win mag?

  1. #1
    Boolit Bub
    Join Date
    Jul 2018
    Northern kentucky

    Any one shooting cast boolits in a 256 win mag?

    I picked up a 256 win mag in a 12" bullberry barrel for my contender. Just wondering if anyone is haveing good results with cast boolits in this caliber. Not looking for any concrete load data but what boolit and powder you perfer.

    What this to be a fun low cost 100 yd plinking and varmint getter so I would like to strive for 1 1/2 inch groups at this range. I have been working with a 14" barrel from MGM in 32/20 it shoots jacketed bullets with 3/4 inch groups at 100 yds but I haven't squeezed the cast boolits down too below 2" yet with the boolits I've worked with.

    Oh the joys of pouring and shooting one's own boolits seems to be a frustrating / fascinating trail we wonder.

    Thanks mike

  2. #2
    Boolit Master Nobade's Avatar
    Join Date
    May 2005
    Albuquerque, Nuevo Mexico
    I tried that with fairly poor results. Hopefully you can get yours working better than I could. It was a tack driver with 75gr Speer bullets but never did anything with cast. I decided it was the throat design. If it had a proper rifle type throat I suspect it would have been better. But I sold it off before I got too carried away with it.
    "Quemadmoeum gladis nemeinum occidit, occidentis telum est."

  3. #3
    Boolit Master

    Join Date
    Mar 2005
    Perryville, Ky,USA
    I had a 10" Bullberry in .256. Great shooter. I used it for plinking on the 100 yard berm off sandbags while I was in my Contender mode.
    Think I have cast data I can share if you want to PM me and arrange exchange of e-mail addresses.
    Getting good cases is the challenge. Forming from unplated .357s is the way I went.
    As I recall, all I had at the time was the Lyman 257420 mould but it was deadly on pop cans at 100 yards./beagle
    diplomacy is being able to say, "nice doggie" until you find a big rock.....

  4. #4
    Boolit Master

    Calamity Jake's Avatar
    Join Date
    Mar 2005
    Okla. City
    Yap 257420 is a good boolit in 256 WM, I've had a 256 contender barrel for over 30 years.
    Just about any SG/ pistol powder works good.
    The "Complete Reloading Manual for Contender" published by Loadbooks USA is a good load book to have around.
    Calamity Jake

    NRA Life Member
    SASS 15704
    Shoot straight, keepem in the ten ring.

  5. #5
    Boolit Master
    Join Date
    Jul 2009
    Following with interest, I've had a 10" TC and a 24 " TC for 30years. Had a Ranch dog 80gr mold for a couple years. Need a rountuit!
    “You don’t practice until you get it right. You practice until you can’t get it wrong.” Jason Elam, All-Pro kicker, Denver Broncos

  6. #6
    Boolit Buddy
    Join Date
    Dec 2013
    St.Germain, WI
    The only J-word I could get accurate out of my 10" Contender barrel was a 75 gr. flat nose. Even an 87 gr. spitzer wouldn't stabilize. The two 25 cal. molds I had on hand were a 90 and 120 gr. Didn't see any reason to continue with that slow of a twist.
    The only amendment the Democrats support is the 5th.

  7. #7
    Boolit Master
    Join Date
    Apr 2005
    I've got a 14" custom shop contender barrel and I shoot the 257420 in it. No complaints on performance. I think Bullberry throats for jacketed bullets, if you want to shoot cast you have to tell him.

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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