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Author Topic: Need some data, basic data.  (Read 4648 times)

Fenris

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Need some data, basic data.
« on: June 02, 2009, 11:04:09 am »
I'm looking to reload some 36 grain varmint grenades for an AR15.  I have three powder options.  Varget, BLC 2, and RL 7.  The reason for the powder list is it is all that is available for me right now, because I own a pound of each.  A line on some factory approved data would be most appreciated.  I'll take some home recipes as well, but I don't want any max loads.  Rifle loading is new to me and I don't want to push the envelope yet.
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    only1asterisk

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    Re: Need some data, basic data.
    « Reply #1 on: June 02, 2009, 01:00:36 pm »
    Bolt gun, or AR15?

    JesseL

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    Re: Need some data, basic data.
    « Reply #2 on: June 02, 2009, 01:04:10 pm »
    I'm looking to reload some 36 grain varmint grenades for an AR15.

    Bolt gun, or AR15?

     :bash


    I'd say you're going to have to get some Benchmark or TAC, or work up from some 40gr data.
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    only1asterisk

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    Re: Need some data, basic data.
    « Reply #3 on: June 03, 2009, 02:15:47 am »
    How long is the bullet you intend to use and how long is its bearing surface?   The Varmint Grenades are longer than lead core bullets of similar weight.

    The RL7 is probably too fast for full velocity, but you should be able to use Alliant's load for Speer 45 grain SP minus 5% to start.  Load you bullet to magazine length.

    The Varget and BLC 2 should both work according to Hodgdon's data.  I'd use start data for the 40 grain Ballistic Tip and watch your OAL.  Varget should be pretty safe.  I don't think you can get enough Varget in a magazine length load hurt you or the gun.

     You can look up Varget and BL-C(2) data at http://data.hodgdon.com/cartridge_load.asp

    Port pressure on some of the start loads may give you function problems depending on your barrel and gas system combination.

    Fenris

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    Re: Need some data, basic data.
    « Reply #4 on: June 06, 2009, 10:50:33 am »
    Awesome!  I also found a Barnes book with RL7 data.  I did some RL7 loads and they functioned well and were accurate.  Is it just me or is RL7 dirty?  I've heard that BLC2 is dirty as well. I thought, however, that ball powders burned cleaner.  I have to play with the Varget Info.  Thanks guys.  Anyone know where to pick up projectiles at a decent price right now?
    UtahThought I had a nickel’s worth of wisdom. Turns out I’m a buck and a half short.

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    Re: Need some data, basic data.
    « Reply #5 on: July 08, 2009, 12:52:50 am »
    Quote
    Bolt gun, or AR15?

    Let me rephrase that one:

    What twist and how much barrel length?  You get that wrong(like a 1/7 or 1/8 twist in a 20" AR barrel)  and they'll "grenade" as they exit the muzzle.
    This may be considered as the true palladium of liberty. . . . The right of self defence is the first law of nature: in most governments it has been the study of rulers to confine this right within the narrowest limits possible. Wherever standing armies are kept up, and the right of the people to keep and bear arms is, under any colour or pretext whatsoever, prohibited, liberty, if not already annihilated, is on the brink of destruction- St. George Tucker, Blackstone's Commentaries

    Fenris

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    Re: Need some data, basic data.
    « Reply #6 on: July 17, 2009, 06:27:54 pm »
    1/9 twist in a 20 inch barrel.
    UtahThought I had a nickel’s worth of wisdom. Turns out I’m a buck and a half short.

    THE NORSEMAN

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    Re: Need some data, basic data.
    « Reply #7 on: July 17, 2009, 11:20:21 pm »
    OK, like O1A mentioned, Varget should be a good choice.  Start low, work up slow.  Fast is good, but too fast and they'll never reach the target.  Does the manufacturer list a Min/Max velocity for these slugs?
    This may be considered as the true palladium of liberty. . . . The right of self defence is the first law of nature: in most governments it has been the study of rulers to confine this right within the narrowest limits possible. Wherever standing armies are kept up, and the right of the people to keep and bear arms is, under any colour or pretext whatsoever, prohibited, liberty, if not already annihilated, is on the brink of destruction- St. George Tucker, Blackstone's Commentaries

    M1911a1lvr

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    Re: Need some data, basic data.
    « Reply #8 on: July 23, 2009, 10:40:04 am »
    Awesome!  I also found a Barnes book with RL7 data.  I did some RL7 loads and they functioned well and were accurate.  Is it just me or is RL7 dirty?  I've heard that BLC2 is dirty as well. I thought, however, that ball powders burned cleaner.  I have to play with the Varget Info.  Thanks guys.  Anyone know where to pick up projectiles at a decent price right now?

      Wideners shooting supply has decent prices for 5.55mm right now. But they are on 55grn FMJ.
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