Minimum gap geometry and high resolution RMS interior
finishes gives less pellet deformation; consistently tighter patterns. Choke
constriction is laser marked, on color-coded band so there is no need to remove
choke to verify size. Long tube with hidden wrench slots extends beyond the
length of the muzzle. Knurled grasping band speeds installation and removal.
Helical rifled Diffusion spreader tubes provide a pattern that is more open than
cylinder.
