These drop-in barrels give you the competitive accuracy that has made Shilen famous. All barrels feature recessed target crown, are precision reamed, air gauged and button rifled.
Materials:Shilen barrels available in Chrome Moly Steel or Stainless Steel. Chrome moly is blued, stainless barrels ae polished white with a hand-lapped bore.
Shilen/Bentz chamber, designed for optimum accuracy in semi-automatics
Air-gauged within .0005"
Bore diameter does not vary more than .0003" for the entire length
Groove diameter .2215"
Warranted by Shilen against defects in materials and workmanship
Factory contour is .520 diameter
Varmint contour is .680 diameter
Barrels of .920 diameter have that diameter listed in the product description