Carlson?s Browning Invector Plus 12ga Flush Improved Cylinder Choke Tubes are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than bb should not be used in any choke tighter than full. Lead, copper-plated, nickel, hevi-shot, or bismuth may be used in these choke tubes.|.5|4|1|8|Fits 12ga Browning Invector Plus (BIP Choke) choke systems|Manufactured from 17-4 Heat Treated Stainless Steel|Can be used with Lead, Steel, Hevi-Shot, or

Carlson?s Browning Invector Plus 12ga Flush Modified Choke Tubes are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than bb should not be used in any choke tighter than full. Lead, copper-plated, nickel, hevi-shot, or bismuth may be used in these choke tubes.|.5|4|1|8|Fits 12ga Browning Invector Plus (BIP Choke) choke systems|Manufactured from 17-4 Heat Treated Stainless Steel|Can be used with Lead, Steel, Hevi-Shot, or Bismuth a

Carlson?s Browning Invector Plus 12ga Flush Improved Modified Choke Tubes are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than bb should not be used in any choke tighter than full. Lead, copper-plated, nickel, hevi-shot, or bismuth may be used in these choke tubes.|.5|4|1|8|Fits 12ga Browning Invector Plus (BIP Choke) choke systems|Manufactured from 17-4 Heat Treated Stainless Steel|Can be used with Lead, Steel, Hevi-Shot, or

Carlson?s Browning Invector Plus 12ga Flush Full Choke Tubes are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than bb should not be used in any choke tighter than full. Lead, copper-plated, nickel, hevi-shot, or bismuth may be used in these choke tubes.|.5|4|1|8|Fits 12ga Browning Invector Plus (BIP Choke) choke systems|Manufactured from 17-4 Heat Treated Stainless Steel|Can be used with Lead, Steel, Hevi-Shot, or Bismuth ammo|

Carlson?s Browning Invector Plus 12ga Flush Extra Full Choke Tubes are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than bb should not be used in any choke tighter than full. Lead, copper-plated, nickel, hevi-shot, or bismuth may be used in these choke tubes.|.5|4|1|8|Fits 12ga Browning Invector Plus (BIP Choke) choke systems|Manufactured from 17-4 Heat Treated Stainless Steel|Can be used with Lead, Steel, Hevi-Shot, or Bismuth

Carlson?s Browning Invector Plus 12ga Flush Turkey Choke Tubes are made of 17-4 heat treated stainless steel. Steel or lead shot may be used in these choke tubes. Steel shot larger than bb should not be used in any choke tighter than full. Lead, copper-plated, nickel, hevi-shot, or bismuth may be used in these choke tubes.|.5|4|1|8|Fits 12ga Browning Invector Plus (BIP Choke) choke systems|Manufactured from 17-4 Heat Treated Stainless Steel|Can be used with Lead, Hevi-Shot, or Bismuth ammo|Lifet

Gauge: .12 Gauge Choke/Id: Close, Mid, And Long Range Flush Or Extended: Extended Material: Stainless Steel Other FEATURES:: Do Not Shoot Steel Shot LARGER Than BB Or FASTER Than 1550 Fps Through The Long Range Choke Other FEATURES2:: KNURLED, Each Tube Has Constriction & Size Marked On It.

Gauge: .12 Gauge Choke/Id: Cylinder Flush Or Extended: Flush Material: Stainless Steel

Gauge: .12 Gauge Choke/Id: Improved CYLIND Flush Or Extended: Flush Material: Stainless Steel Other FEATURES:: .730 DIA.,Safe For Use With Steel,Lead,COPPERPLATED, Nickel,HEVI-Shot,& Bismuth

Gauge: .12 Gauge Choke/Id: Modified Flush Or Extended: Flush Material: Stainless Steel Other FEATURES:: .720 DIA.,Safe For Use With Steel,Lead,COPPERPLATED, Nickel,HEVI-Shot,& Bismuth