rm or 200smk

  1. hypertex

    8mm RM/200SMK COAL questioned

    I just got one of those nifty Stony Point gauges and was finally going to nail down the bullet jump, etc. OK, Sierra 200 SMK's with a book COAL of 3.600 inches. Upon measuring with the gauge, I find that the lands start when the COAL is 3.75 WTF? That's a pretty huge jump, isn't it? I only have...