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  1. #1
    Marlin Marksman
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    Accurate Sierra 125 gr FNHP Loads

    Iíve been loading Sierra 125 gr FNHP with Reloader 7. Iím looking for the most accurate loads with this combination. Around 28 grains seems to be the most accurate with my 336W so far. I have a hard time getting out to a 100 yard range to do endless testing but it would be nice if I could. I would like to find the most accurate full load and a reduced load that is almost as accurate.

    What are your most accurate full and reduced loads with this combination?
    MDT

    Marlin 336W w/ Nikon Monarch 2-8x32 BDC
    Marlin 1894C w/ Bushnell Trophy 4-12x40 AO
    Put BSA Catseye FM310x44 scope on 308 BAR
    Savage 10ML-II SS muzzleloader w/ silver Bushnell Elite 3200
    Barnett Quad 400 crosbow w/ scope
    Diamond Outlaw RAK Bow

  2. #2
    Wrangler
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    Re: Accurate Sierra 125 gr FNHP Loads

    This is for 30-30 right? My rifle likes 37.0gr of W-748. I also load it over 13.0gr of Blue Dot. Both shoot well in my rifle.
    Jan 4, 2007 gasoline $2.10 gal.....HMMM?

  3. #3
    LuvM and LeverM
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    Re: Accurate Sierra 125 gr FNHP Loads

    These loads are unpublished and may not be safe in your gun. I am not advising you to use these loads in your gun.

    Reduced load for 2150 fps in my 336W is 24.5 grains of VV-N120.

    Full power load for 2500+ feet per second 29.0 grains of VV-N120.


    The reduced load should put then in a 1/2 at 100 yards, and the full power load will shoot about 1" to 1.5" at 100 yards in my rifle.

    I haven't tried any Hodgdon or Alliant powders with the 125 grain Sierra. I do really like that bullet, and it seems that the 336W really them as well.

  4. #4
    Wrangler
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    Re: Accurate Sierra 125 gr FNHP Loads

    My 336 really likes the Sierra 125 FNHP with 29.3 gr of Reloader 7.
    Pretty good from 28.0 to 29.5 but the sweet spot (for this rifle) is 29.3.
    Max load from Alliant is 30.0
    Max load from Sierra is 29.2

    Bob A

  5. #5
    Marlin Marksman
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    Re: Accurate Sierra 125 gr FNHP Loads

    Luv'M and Lever'M,

    Iím committed to trying the FNHPís with Rel 7 for now. I canít find the messages or articles that convinced me to go with that powder now so Iíve been limiting my rounds to what is in my loading manuals. I really want to find a nice accurate low recoil round with this bullet and want to go below the published start load of 27 grains. I guess Iím going to just go down in Ĺ grain increments starting at 26.5 grains. Iím so limited with range time that itíll take a year for me to shoot all the possible permutations.

    Bob A.,

    My groups got tighter as I went up in loads and I got the tightest groups at 28 grains. At 28.5 grains they started shooting much wider and about 4 inches higher. Iím going to try 1/10 grain increments from 27.6 to 28.4 and see if there is a sweet spot for my 336 in there.

    Does anyone know what Sierra publishes for this bullet using Reloader 7?
    MDT

    Marlin 336W w/ Nikon Monarch 2-8x32 BDC
    Marlin 1894C w/ Bushnell Trophy 4-12x40 AO
    Put BSA Catseye FM310x44 scope on 308 BAR
    Savage 10ML-II SS muzzleloader w/ silver Bushnell Elite 3200
    Barnett Quad 400 crosbow w/ scope
    Diamond Outlaw RAK Bow

  6. #6
    LuvM and LeverM
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    Re: Accurate Sierra 125 gr FNHP Loads

    MDT,

    I understand, and I think that Reloder 7 is an awesome poweder. According to VV the burn rate for N120 and Reloder 7 are right on for par.

    If it shoots good and is safe, and you make it to 24 something with this bullet. The recoil is pretty much NULL with this powder charge of VV-N120. So I would assume it would be with RL7 as well.

    Good luck to ya!

  7. #7
    Wrangler
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    Re: Accurate Sierra 125 gr FNHP Loads

    I know the Sierra Max is 29.2. I can look up the starting load tonight but I am sure you are right in the center at 27.5 to 28.5.
    You are doing the exact right thing. By stepping up in small increments, you will find the sweet spot and get an idea how narrow that spot really is.

    Bob A

  8. #8
    Marlin Marksman
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    Re: Accurate Sierra 125 gr FNHP Loads

    Quote Originally Posted by Bob A
    I know the Sierra Max is 29.2. I can look up the starting load tonight but I am sure you are right in the center at 27.5 to 28.5.
    You are doing the exact right thing. By stepping up in small increments, you will find the sweet spot and get an idea how narrow that spot really is.

    Bob A
    I would really appreciate knowing what they list for the start load. I want to work down to 23 or 24 grains and see what happens at 24.5 like Luv'M and Lever'Ms load but I'm worried about going so much lower than the listed start load.
    MDT

    Marlin 336W w/ Nikon Monarch 2-8x32 BDC
    Marlin 1894C w/ Bushnell Trophy 4-12x40 AO
    Put BSA Catseye FM310x44 scope on 308 BAR
    Savage 10ML-II SS muzzleloader w/ silver Bushnell Elite 3200
    Barnett Quad 400 crosbow w/ scope
    Diamond Outlaw RAK Bow

  9. #9
    LuvM and LeverM
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    Re: Accurate Sierra 125 gr FNHP Loads

    Alliant mentions that you should take the max listed 30 grains, and subtract 10%. That is their recommended starting load.

  10. #10
    Wrangler
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    Re: Accurate Sierra 125 gr FNHP Loads

    I got out the Sierra Data today.
    Their min load for the 125 HPFN and Reloader 7 is 25.9 gr. Listed Velocity tested in a 20" Marlin is 2100 for the min load and 2400 for the max load of 29.3.

    Bob A


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