This is a .22 Alfa barrel that is 350mm for a leshiy 2. It is custom as in it has been re-threaded for 1/2x20 so no need for adapters. Included with it will be a 500mm fx shroud that will cover the complete bare area of the barrel and add some sound dampening, the shroud end also has 1/2x20 threads so a moderator can be attached my go to was this with a koi bit only was the look sleek it performed well. $350TYD I also have a .22 mag if someone wants to make it a caliber package. Leshiy not included picture just to show how it looked.