1. zfk55

    Hexagonal Boron Nitride and the SMK 175

    We're about to begin a process on Sierra M/K 175 projectiles, and we're going to use Hexagonal Boron Nitride. After a number of correspondences with the maker of the rifle, he's agreed that HBN is superior to Moly in that HBN doesn't have the eventual adverse effects on the bore inherent in...
  2. J

    Rifle Scopes SBC50-ARD hexagonal case?

    Anybody know if these are available to us civvies? ARD in from Midway, no case, what a surprise. Emailed Tenebraex, no response, again what a surprise. Yes, I searched google and the site - nuttin' 'cept someone else who didn't get one either. TIA, Pete