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Rl 33

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  #1  
Unread 01-28-2014, 03:01 PM
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Join Date: Mar 2012
Location: Elk Garden,WVa
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Rl 33

Just got my RL 33 powder. thought id see if anyone had anything good or bad to say about it beforr i start loading for my 7MM RUM. Been loading with Retumbo. Thoughts or comments welcome
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  •   #2  
    Unread 01-29-2014, 01:24 AM
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    Join Date: Jun 2005
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    Re: Rl 33

    Please post your results! I haven't saw a lot of info of RL33 w/7rum. Should be a good match I would think; especially w/ 160+gr bullets and 28 in+ barrel.
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      #3  
    Unread 01-29-2014, 05:57 AM
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    Location: Tucson Az
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    Re: Rl 33

    I have used RL-33 in several cartridges. I think it works best with the heaviest bullet for caliber. While it might work with a 160 or 168 it will work better with a 180 gr bullet.

    I haven't used RL-33 in the 7 RUM as I don't have one right now. I will be following this thread so be sure and report back on your results.

    When the 195 Bergers come out I may have to make another 7 RUM you can bet I'll be trying RL-33!
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      #4  
    Unread 01-29-2014, 01:10 PM
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    Re: Rl 33

    Will b shooting my RUM monday with some RL 33. But after researchn this topic, it looks like the RL 33 needs to have bullet seated close to lands. Which i cannot do with my factory sendero. I will however be able to do alot better with data on this powder as soon as my 7AM gets here. I will b shooting 189 cautercio bullets in it. Wondering right now about whether or not to take my sendero to gunsmith and have magazine lengthened and barrel possibly cut down so i can reach lands. Anyone have anything new to add about temp sensitivity on this RL33?
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      #5  
    Unread 01-29-2014, 05:24 PM
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    Join Date: Mar 2008
    Location: clearfield county , Pa
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    Re: Rl 33

    I haven't got to play much with it , dang work getting in the way . one thing I can say is , it is dirty . it puts me in mind of 777 in my inline muzzy . I'm just not sure how much to shoot between cleanings .
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      #6  
    Unread 01-29-2014, 07:39 PM
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    Re: Rl 33

    I remember Kirby Allen mentioning that he got better ES and accuracy with bullet into rifling. Doesn't
    mean it won't work with bullet jump.

    The three that shot with bullet jump was a 257 Weatherby & 110 accubond, 6mm-284 and 105 berger hybrid and 300 RUM & 230 hybrid. The 7mm/375 was erratic in velocity and group size with 180 hybrid. I'd say try it and see if it works for you.
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      #7  
    Unread 01-29-2014, 07:46 PM
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    Join Date: Feb 2013
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    Re: Rl 33

    Quote:
    Originally Posted by oldmossy View Post
    Will b shooting my RUM monday with some RL 33. But after researchn this topic, it looks like the RL 33 needs to have bullet seated close to lands. Which i cannot do with my factory sendero. I will however be able to do alot better with data on this powder as soon as my 7AM gets here. I will b shooting 189 cautercio bullets in it. Wondering right now about whether or not to take my sendero to gunsmith and have magazine lengthened and barrel possibly cut down so i can reach lands. Anyone have anything new to add about temp sensitivity on this RL33?
    7mm 175gr LRAB in 7RUM

    Initial results show good (high velocity) and bad (high ES) using RL-33 in this 7 RUM. The gun will most likely be used for hunting with a max range of 600 where ES is not as much of a concern. H50BMG may be a better alternative to RL-33 with regard to reducing muzzle velocity variation while maintaining maximum heavy bullet velocities.
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