Any interest in a SX-1 30" (no screw in the rib) vent rib barrel that has been threaded for Series S-2 chokes by Briley? Includes Diffusion, Skeet, Improved Cylinder, Light Modified, Modified, Full, Extra Full chokes and Briley speed wrench. Barrel has also been ported by Briley. Condition is excellent, no issues at all. Cost of the barrel work and chokes is more than $500. Will sell for $400 shipped.