Carlson’s 12 Ga Win XF Choke
These Carlson flush mount choke tubes are constructed from 17-4 stainless steel and hardened. Lead shot can be used in all constrictions however Steel shot larger than #BB should not be used in any choke tighter than Modified (.710″ diameter). BB and smaller sized steel shot may be used through full choke constriction (.700″ diameter).
Carlson’s 12 Gauge Flush Mount Extra Full, Stainless Steel
12 Gauge shotguns
Flush mount choke tube
Extra Full constriction
Winchester, Browning Invector, Mossberg, Savage, and Weatherby
Note: Winchester SX2 and SX3 use Browning Invector Plus choke tube