ar 5.56 chamber

  1. C

    .223 AR w/ Nosler 80gr. In a 5.56 chamber

    I Fire a lot of SMK 77gr. H.P.B.T.. Got some Nosler 80gr. Custom Competitions #25116. Checked their site OAL listed at 2.360 by Nosler. Will this fit a 5.56 chamber at his OAL. I know I will have single feed them into an AR. Any load info. The "slowest" powder I have seen listed on their site is...
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