Choke constrictions
from Cylinder to Extra Full, in .005 inches (.127mm) increments let you
precisely match your load to the shooting conditions. Long tube extends beyond
the length of the muzzle, features highly polished interior for less pellet
deformation; reduced fliers and tighter patterns. Knurled grasping band speeds
installation and removal. Choke constrictions is marked on band so there is no
need to remove choke to verify size. Helical rifled Diffusion spreader tubes
provide a pattern that is more open than
cylinder.