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Thread: Reloder 17 and IMR 4350 similarities?

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    Member Hunt&FishAK's Avatar
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    Default Reloder 17 and IMR 4350 similarities?

    I was told that re 17 and 4350 are essentially identical.... Can anyone verify? I use it in 270 win with Speer 150 deep curls with great results. But I don't want to limit myself to that as in I'd like to use it in a 3006 load. Any suggestions?



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    same class, I don't know if "identical" works though - I understand that IMR 4350 is the darling of many a handloader (to include myself often enough) but I think H4350 has it's place and XMR4350 gave me outstanding results in 25.06 and 30.06 - I've not used RL-17 but I have some socked away - Alliant states that it is especially useful for extreme weather conditions - you can email Alliant directly and ask their opinion, I queried about 4000MR and they responded that it paralells RL-" maybe on the fast side- I hear great feedback from a lot of sources regarding RL-17

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    I agree that "identical" is not the right word. I emailed Alliant last year about load data using rl17 and 375 ruger. They said that you can use imr 4350 load data for any load development but to start low and work up because they may not have the exact same max load. It worked and I've since developed loads for my 243, 7-08, 300 WM, and my 375 Ruger. Hope this helps...

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    Moderator stid2677's Avatar
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    I use R17 for several loads and find it gives me more velocity than H4350.

    This load is near max work up. Kimber Mountain Ascent. I backed it off to 57 grains.

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    Member Hunt&FishAK's Avatar
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    Quote Originally Posted by stid2677 View Post
    I use R17 for several loads and find it gives me more velocity than H4350.

    This load is near max work up. Kimber Mountain Ascent. I backed it off to 57 grains.

    Accubonds huh? Been wanting to load some of them. I believe I'll try it.... Should I start at like 55 grains?



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    Moderator stid2677's Avatar
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    Quote Originally Posted by Hunt&FishAK View Post
    Accubonds huh? Been wanting to load some of them. I believe I'll try it.... Should I start at like 55 grains?
    If I were you,, I would load up a ladder and see what your rifle likes and what its limits are.

    Like this one I shot to developed my load. You can see a group form even with different charges. Get the velocity and accuracy you are looking for and load them up.

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    Member marshall's Avatar
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    That's a nice ladder Stid. What were the charges that grouped tight about 2.5" above the bull? I'm guessing they were close in sequential.

    I like shooting ladders, they work really well when you shoot out past 200 yards. 3-4 charges generally group well and the others are out to lunch. The average of those charges works well for a base line prior to seating depth testing.

    The following is from notes I took while testing RL17 with 180gr Accubond's from a 19" 30-06

    RL-17
    Nosler 180gr Accubond
    Win brass 2.484"
    CCI 200
    COL 3.295"
    .025" off the lands in this rifle

    51.9gr 2542fps
    52.6gr 2596fps
    53.3gr 2653fps
    54.0gr 2691fps
    54.7gr 2732fps

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    Moderator stid2677's Avatar
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    Quote Originally Posted by marshall View Post
    That's a nice ladder Stid. What were the charges that grouped tight about 2.5" above the bull? I'm guessing they were close in sequential.

    I like shooting ladders, they work really well when you shoot out past 200 yards. 3-4 charges generally group well and the others are out to lunch. The average of those charges works well for a base line prior to seating depth testing.



    The following is from notes I took while testing RL17 with 180gr Accubond's from a 19" 30-06

    RL-17
    Nosler 180gr Accubond
    Win brass 2.484"
    CCI 200
    COL 3.295"
    .025" off the lands in this rifle

    51.9gr 2542fps
    52.6gr 2596fps
    53.3gr 2653fps
    54.0gr 2691fps
    54.7gr 2732fps
    Shots 11, 12 and 13, I forgot to mark them before I took the photo. The 2 touching were 56.5 and 57 grain.
    "I refuse to let the things I can't do stop me from doing the things I can"
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    Member marshall's Avatar
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    56.8gr, adjust your scope and call it good...

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    Moderator LuJon's Avatar
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    Here is the info I got from Alliant.

    In my estimation, you might try the following:
    >
    > 280 AI
    > 140 gr Nosler
    > RL 17 start 54 grs max 58 grs
    >
    > 160 gr Nosler
    > RL 17 start 51.5 grs max 55.5 grs
    >
    > Start with the minimum charge wt and work up from there while watching pressure signs. Thanks and keep me posted.
    >
    > Ben Amonette
    > Technical Service Manager
    > Alliant Powder Company
    >
    That looks awful similar to



    I know Stid has gone hotter and I have loads prepped to work up based on his data.

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    Member alaska bush man's Avatar
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    Reloader 17 most excellent in the 338-06 with 225gr.
    Alaska

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    Member dkwarthog's Avatar
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    Bush Man, you crack me up. You dont post much for text, but you sure do have alot of load recipes in your cookbook!!! You must shoot ALOT!!

    Thanks for all the input on loads, BTW...

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    Moderator LuJon's Avatar
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    I worked up to 3250fps with 145grn LRX using RE-17 in my 280AI. To bad they wouldn't group worth a darn. at this point factory nosler trophy 160grn partitions is the only thing it likes. 2850fps is pretty anemic compared to what it can do but it kills just fine!

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