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Bullet weight to case pressure and more questions

Discussion in 'Reloading' started by CAH21SF, Aug 29, 2011.

  1. CAH21SF

    CAH21SF

    57
    0
    Aug 21, 2011
    Livermore, CA
    1)Im new to reloading and have question about bullet weight to case pressure. I am currently reloading .45 's and I have seen a common pattern of the higher weight bullets with lower powder ranges compared to the same bullet design but lighter weight with just a tad bit more for its powder range. Is this because it takes more energy to move the heavier bullet?
    2) Brass, I have read the thread on good and bad brass. Now if you have several makes of brass of all three categories. How does this affect the accuracy of the load or what difference would I see?
    3) Maximum published load, if im not seeing over pressure issues in a load that was at the maximum charge. Can I consider that a safe load to shoot consistently?
    4) Last and final question. When testing a load for accuracy do I test at a range that I am most accurate at and hope it to be accurate at a futher range? I am currently (sad to say) most consistent at a measly 20 feet. I cant shoot for s%^& at 25 yards. What are your thoughts other then the obvious (more practice)?
    Thanks
    Chris
     
  2. PCJim

    PCJim Senior Member

    2,950
    1
    Aug 4, 2008
    FL
    Hope that is somewhat clear....
     


  3. CAH21SF

    CAH21SF

    57
    0
    Aug 21, 2011
    Livermore, CA
    You were crystal clear thanks. You hit it right on the head im shooting freehand. Would a sandbag work?
    Thanks again
    Chris

    Outdoor Hub mobile, the outdoor information engine
     
    Last edited: Aug 30, 2011
  4. PCJim

    PCJim Senior Member

    2,950
    1
    Aug 4, 2008
    FL
    For most shooters, having an external device (ie sandbag) to help steady the firearm greatly improves accuracy.
     
  5. fredj338

    fredj338

    21,659
    898
    Dec 22, 2004
    so.cal.
    I'll agree w/ Jim on everything but max listed loads. While they SHOULD be safe, never assume, always work upto max loads. The problem is they are tested in a diff platform & often slightly diff components, So when going to max loads, everything can affect presures from OAL to primer, bullet & case choice.
    Accuracy testing @ anthing less than 50ft is pointless IMO. Just about any gun & ammo will shoot one ragged hole @ 21ft. So sand bag rest, the forearms not the gun, & test @ a min of 50ft. Accuracy is relevant. If you shoot factory ammo into 8" @ 25yds, then that is YOUR acuracy benchmark. If your reloads are under 8", they are shooting better than the factory.
     
    Last edited: Aug 30, 2011
  6. CAH21SF

    CAH21SF

    57
    0
    Aug 21, 2011
    Livermore, CA

    At my first session of shooting my first reloads I started at 3.7 up to 4.0gr each set increased by .1 incraments with 10 rounds of each. I inspected each one with no defects of any found.

    Thanks for the info on accuracy testing. That's about the only thing I have came acrross in my reading of reloading. I was also wondering where to support gun/forearms, so thanks for that as well.

    So I unloaded all of the 4.0 batch and reloaded at 3.7 being that was my most accuate after my second test. Im going backpacking this weekend, so i need plinking rounds. Being thatI was free handed on the first and second test sessions. I think I'll do a third supported and at a longer range.
    :bowdown:
    chris
     
    Last edited: Aug 30, 2011