Mobil Choke Extended Black Oxide Choke - 20 Gauge

Shotgun choke constrictions from Cylinder to Extra Full, 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.