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  1. K

    8208 xbr!!

    I use it in 22-250, 5.56, 6.5 Grendel and 338 RCM all with excellent results. As mentioned earlier meters well and has burned clean for me.
  2. K

    6.5 Grendel - Ideal Barrel Twist Rate

    8208 XBR is quickly becoming one of my go to powders for my Grendel 22" 1/8.25 twist Proof Research carbon wrapped barrel. Currently I have loaded for 95 gr V-max, 100 gr TTSX and 120 gr SMK with great results, in fact I am hitting published velocity for a 24" barrel 1-9 twist while still well...
  3. K

    Range Report Lower than anticipated velocities?

    Good morning to all, I am seeking additional input for a situation that I continue to observe. I have a DPMS 18" 1 in 8 twist barrel and an ABS 16" 1 in 7 twist barrel, both chambered 5.56. My chrony indicates that the 18" regularly shoots about 300 fps slower than I would anticipate from book...