Browning Standard Invector .410 Bore Choke Tub #1130277
Standard invector tubes produce patterns with excellent uniform densities. It is set to industry constriction standards and are made of 174 stainless steel. Standard Invector choke tubes fit only Browning shotguns designed for Standard Invector and are not for use in shotguns showing InvectorPlus or InvectorDS on the barrels.