It comes standard with a 12.5" barrel, but a 18" is optional. I want one!!!!
McMillan has developed a rifle they call the C5, or Concealable Subsonic / Supersonic Suppressed Sniper System. It’s a rifle that breaks down into a 23.5 inch long package for easy transport in a backpack or briefcase, yet still is accurate out to 800 meters with a .75 MoA guarantee. But that’s not all