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Thread: arsenal 225 45 grain

  1. #1
    Boolit Mold
    Join Date
    May 2015
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    15

    arsenal 225 45 grain

    Hello, is anyone using this boolit in their AR`s and if so how is it working? I would happy to see any load data.
    Thanks!

  2. #2
    Moderator



    JonB_in_Glencoe's Avatar
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    Mar 2010
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    45 gr may be kind of light (and short) to stabilize in the typically fast twist AR's
    I like 60gr. I have a HM˛ mold that's designed for the AR that I like the best.
    I also have a NOE clone of the RCBS 22-055...which drops at 60gr, which works well in 1:9 twist AR's
    If you have a 1:7 twist AR, I'd look for something closer to 70 gr.

    I like H4895 for a powder. I'd recommend to find a load that "just" cycles the AR (I'd start at 16gr and work up, I found it to be about 20gr with my DPMS). Then you can start looking for a accuracy load above that "just" cycles load, which is likely to be a narrow window.
    ~~~~~~~~~~~~~~
    “If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun.”
    ― The Dalai Lama, Seattle Times, May 2001

  3. #3
    Boolit Mold
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    May 2015
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    I should have been a little more specific. I have an upper which has a Tikka 22-250 1-14 twist varmint take off barrel that I got for a great price and had it reworked at the shop I work in. I left it at a 20 inch finished length and was just looking at that mold as a possibility. Carbine length gas. Thank you for your input!

  4. #4
    Moderator



    JonB_in_Glencoe's Avatar
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    Oh...yeah, I was refering to stock 223/556 AR's
    Sorry I can't help with 22-250, hopefully someone else can.
    ~~~~~~~~~~~~~~
    “If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun.”
    ― The Dalai Lama, Seattle Times, May 2001

  5. #5
    Boolit Mold
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    May 2015
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    Sorry from me as well to all, the 22-250 was shortened at the chamber and re-cut to 223 Wylde, I think that might have been an important detail , SHEESH, sometimes I`m about as bright as a 5 watt bulb!!

  6. #6
    Boolit Grand Master


    Larry Gibson's Avatar
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    Jul 2005
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    First off you should find the 14" 223 barrel very amicable to cast bullet use, especially the 45 gr bullets. I have tested that particular bullet but have tested the 225438 which were cast of linotype and HT'd. They weighed in at 43 gr fully dressed. I tested them in a 12" twist AR with 20" barrel. Accuracy was certainly acceptable equaling that of most M193 at 100 yards. I used H4895 with a Dacron filler though accuracy out to 100 yards wasn't much worse w/o the filler but the ES was 150+ fps. The load I settled on with the Dacron filler ran right at 2400 fps.

    I suggest you use H4895 also or RL7. Start at 18 gr and use a Dacron filler. Work up in 1 gr increments to 23 gr. The accuracy with 10 shot groups at 100 yards will tell you what charge is best.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  7. #7
    Boolit Mold
    Join Date
    May 2015
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    Thank you so much Larry, I truly appreciate the info!

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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