205M or BR4 in AR15

Discussion in 'AR15/10 Rifles' started by pwrdbycotn, Feb 12, 2012.

  1. pwrdbycotn

    pwrdbycotn Well-Known Member

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    I've been using CCI 41's for a while now but I'm not really satisfied with the groups I'm getting compared to Hornady Superformance 53gr 223. I have Federal 205M's and CCI BR4's but I wanted to know if anyone had used them in their AR before. I just didn't know about using them and being concerned with slam-fires. What are your thoughts?
     
  2. 436

    436 Well-Known Member

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    I'd change powder before I changed the primer. The none #41's just have a thinner cup... so yeah; I guess that could increase the chance of a slam fire. I've used both and few more, each time I've gone back to the #41 in my AR's
    Good luck
    436
     

  3. pwrdbycotn

    pwrdbycotn Well-Known Member

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    I have tried Benchmark and BLC2. I'm going to try loading some with Varget tonight with #41's and some with BR4's and see if I get any difference. Thanks for the reply
     
  4. 436

    436 Well-Known Member

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    Varget good, as is VihtaVuori N-140 one I'd think it might be fun to play around with Hodgdon CFE 223
    After bullets go over 65grs I switch to RL-15 or N-150 & N-540 moving up to 80gr bullets, those powders aren't much good if your not shooting 1-8 1-7 twist barrels.
    436