300 otm ?

Discussion in 'Reloading' started by den, Jan 4, 2014.

  1. den

    den Well-Known Member

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    Nov 25, 2007
    anybody shoot the otms around .085 off lands with any luck I am using rl 33 300 otm at 3.740 to fit mag 110 fcp 26" I believe this to be .085 off from closing bolt on dummy round not sure it that oal is the lands or jammed though or how much difference there is thanks ??
     
  2. Broz

    Broz Well-Known Member

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    Not 100% sure what you are asking, but I have found the 300 OTM to be very forgiving in the seating department. One of my best 338 LM loads was -.065" off the lands.

    Jeff
     

  3. den

    den Well-Known Member

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    thanks broz the oal of 3.740 approx. .085 off by my current measuring method looks promising so far
     
  4. Broz

    Broz Well-Known Member

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    I got ya. Chances are with the method you used you could be close to just touching the lands than .085". I did see a little better ES seated closer but feel that could very well be just what that chamber and barrel liked. I think you will get what you are looking for. I have seated some smaller Hybrids as far as -180" in Wby's and they shot very well.

    Jeff
     
  5. Kiwi Greg

    Kiwi Greg Well-Known Member

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    It has been reported that as far as ES is concerned RL33 prefers to be closer to the lands than jumping a fair way.

    The only thing that matters is what your rifle tells you it likes or doesn't as the case may been.

    Get a load sorted at 100 then test it further out to see if it stacks up.