help with 6.9spc

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by halfbakedi420, Apr 9, 2013.

  1. halfbakedi420

    halfbakedi420 Member

    Messages:
    17
    Joined:
    Jan 9, 2008
    was looking to make a 6.8 spc for an ar. i was looking at 20-24 inch bull bore.
    I was wanting opinions on length, twist and lands. i know i want the target crown not the threads.
    what say you?
     
  2. sinarms

    sinarms Well-Known Member

    Messages:
    322
    Joined:
    Oct 24, 2010
    it's a good round, I have made quite a few barrels in it. I use a 6.8 SPC II spec reamer as do all of the other guys that know what is going on with the round. You still see some of the standard SPC chambers out there but most are the II