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300 Rum Loads with 220 SMK and 240 SMK

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  #1  
Unread 09-12-2011, 01:21 PM
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300 Rum Loads with 220 SMK and 240 SMK

I would appreciate any load information you have for the 300 RUM using the 220 SMK and the 240 SMK bullets. I have Retumbo, H-1000, and Reloader 25 powder that I can use with the Nosler brass and Federal 215 primers.
Thanks in advance for your help.
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  •   #2  
    Unread 09-12-2011, 11:30 PM
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    Re: 300 Rum Loads with 220 SMK and 240 SMK

    I am currently running 90 grains of H1000, behind the 220 SMK, and Federal 215M primers. OAL is 3.6850!

    I have awesome results with this! I have a first generation Remington Sendero with a 26 in barrel and a brake!
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      #3  
    Unread 09-14-2011, 12:26 PM
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    Re: 300 Rum Loads with 220 SMK and 240 SMK

    My pet with the 240 is 103 grains of US869

    Fire formed brass

    OAL 3.625

    Fed 215m primer

    Rem brass

    Runs right at 2950...

    I have run it up to 104.5 grains.. But accuracy goes to u know what.. Also FOR ME bumping it down to 103 gave me some room with no presure signs,

    But it's a hot load.. PLEASE START LOWER..

    I also played with the seating.. At 3.60 slight pressure but still good accuracy.. Those were also fl sized though..
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      #4  
    Unread 09-14-2011, 12:54 PM
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    Re: 300 Rum Loads with 220 SMK and 240 SMK

    86.5gr of Retumbo with a 240gr Matchking was giving me around 2900fps in a 26" bbl i believe, its been a while, i will double check and bet back to you. I know it was not a high pressure load
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      #5  
    Unread 09-14-2011, 03:35 PM
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    Re: 300 Rum Loads with 220 SMK and 240 SMK

    Co shooter... What kind of velocities are you getting with that load and seating depth?
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    Unread 09-14-2011, 11:25 PM
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    Re: 300 Rum Loads with 220 SMK and 240 SMK

    Quote:
    Originally Posted by batsandowls View Post
    Co shooter... What kind of velocities are you getting with that load and seating depth?
    If memory serves me well, I believe those are moving about 2979 FPS!
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      #7  
    Unread 03-22-2013, 02:28 AM
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    Re: 300 Rum Loads with 220 SMK and 240 SMK

    Older thread but thought I'd offer my loads.

    Nosler brass
    Federal GM215M
    220 smk 87.5 grains retumbo 3.655" 3075fps
    240 smk 92.0 grains H50BMG 3.658" 2913fps ES 2
    Both seated to kissing the lands
    28" pacnor on a trued rem 700

    These bullets shoot bug holes but the 220 smk gives me vertical at longer ranges. Also the nosler brass is ten grains heavier than my sorted rem brass.

    The pic is my first 1000 yard group I ever shot 6.5". It's with the 220 SMK. The top three masked taped holes are from 750 yards 4.4".

    Reuben
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    300 Rum Loads with 220 SMK and 240 SMK-1000-yard-220smk.jpg  
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    Last edited by AKGuide; 03-22-2013 at 02:46 AM. Reason: forgot attachment
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