Browning 1130303 12 Gauge Standard Invector Cylinder Flush 17-4 Stainless Steel Choke Tube

Standard invector tubes produce patterns with excellent uniform densities. It is set to industry constriction standards and are made of 17-4 stainless steel. Standard Invector choke tubes fit only Browning shotguns designed for Standard Invector and are NOT for use in shotguns showing Invector-Plus or Invector-DS on the barrel(s).