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68mm

  1. The AR-15
    anyone build or own a 6.8mm M4?.. when i lived in Tenn i ran across a few and id really like to build one..any thoughts about this?
  2. Rifles
    hey guys, does anyone have any experience with this round? 6.8mm SPC (or 6.8x43mm) I know nothing about it, but looking at wikipedia it looks like it might be a nice round for an AR. it'll def. be more expensive to shoot than the smaller 223, but a more robust option. i searched the forums...
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