A exelent barrel for your various .20 caliber builds. .20 Vartarg, .20 Tactical, .204 ruger, .20 hornet, any others as well. This twist is good for the slightly heavy for caliber bullets.
these barrels feature a 1.200" shank, and a traditional sporter taper to a 0.685" muzzle daimeter at 26". These blanks are 27" long, made by the Wilson Arms barrel company and are button rifled.