Winchester SX-2, SX-3, SX-4, & SXP use Browning Invector Plus choke tubes

NEW Ported Buckshot choke tube is designed to give you tight patterns downrange with 00 & 000 buckshot.  This choke is ported to reduce recoil and muzzle jump that tend to go hand in hand with these large loads.  Features a constriction designed specifically to optimize patterns with large and small loads alike.

This choke will extended about 1” out of the barrel and has a black finish.  Machined out of 17-4 heat treated material.  Can be used with Lead, Steel, and Hevi-Shot loads.  Cannot be used with any Steel Shot larger than BB or with any Steel shot faster than 1550 FPS.