Carlson Carlsons choke tube spt clays 12ga ported full invector+
FEATURES Other Features: Lead,copperplated,nickel, hevi-shot,bismuth,& tungsten may be shot with this tube.No steel larger than bb or faster than 1550 fps.710 dia.
-Browning Invector Plus
-17-04 stainless steel
-25% longer parallel for tighter patterns