Shilen Octagon R0 Contour
Shilen Ratchet R0 Contour Barrel Blank in .22lr. This is a Stainless Steel Select Match Grade barre. This is the highest grade barrel that Shilen makes.
*Select Match (Shilen's Highest Grade)
*28" Long Barrel Blank (Gunsmithing Required)
*R0 Contour (1.200" for 4" then .920" straight to muzzle)
*MI or Minimally Invasive Rifling
*Polygonal Rifling with 8 sides
Traditional Rifling Polygonal Rifling