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Thread: Need custom gunsmithing for my Ruger SR 556

  1. #31
    Join Date
    Jan 2013
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    the .300blk is what i am going to get also....just have a spare upper....i would assume, you would need a bcg also

  2. #32
    Join Date
    Apr 2011
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    Chesapeake, VA
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    Going for the full upper.

    However, I understand from reading up on the development of it that it uses the same BCG and magazines as a 5.556/.223. They took .223/5.56 cartridges, trimmed off the neck and the .308/7.62 bullet fits in it. From other information I gleaned from the internet, the .300 AAC Blackout's ballistics rival the 7.62/39's. So sounds like a real winner. All I have to do is scrounge up some cash.

    No anyone that is looking for a 1993 Husky 350 WRC? I'll probably sell it to get the upper.

    Another thing I learned is that with polygonal rifling, I can get more accuracy, longer range, higher velocity and longer barrel life out of it. I'm also going to be looking for a piston rifle for reliability.

    Anyhow, good luck with your build.

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