Carlson's Choke Tubes Cremator Waterfowl Ported Choke Tubes Browning Invector-Plus 2 PK MR & LR. This Choke Tube by Carlson's Choke Tubes is made with triple shot technology has no choke size or speed restrictions and can be used with lead copper-plated or non-coated shot. The Carlson's Choke Tubes Browning Choke Tube also reduces deformation of the pellets which allows for tighter and denser patterns. Precision machined from 17-4 stainless steel the Carlson's Choke Tubes Browning MR & LR Waterfowl Choke Tubes feature a 25percent longer parallel section for tighter and more dense patterns and has an easy wrench-less installation and removal. These Carlson's Choke Tubes have an oxidized finish which helps with protecting the bore. These Carlson's Choke Tubes feature an extended choke section which is great for ducking birds with a single choke. For a great way to enhance your waterfowl hunting choose the Carlson's Choke Tubes Browning Invector-Plus Cremator Waterfowl Choke Tubes. Specifications for Carlson's Choke Tubes Browning Invector-Plus Cremator Waterfowl Choke Tube: Manufacturer: Carlson's Choke Tubes Color: Black Fabric/Material: 17-4 Stainless Steel Gauge: 12 Choke Tube System: Browning Invector Plus (+) Gun Make: Browning Included Accessories: Choke Wrench Country of Origin: USA Features of Carlson's Choke Tubes Cremator Waterfowl Browning Invector Plus Choke Tubes Cremator Ported Browning Invector Plus 2 PK (MR & LR) Package Contents: Carlson's Choke Tubes Cremator Waterfowl Browning Invector Plus Choke Tubes wrench Carlson's Choke Tubes 11522: Cremator Ported Choke Tubes for Browning Invector Plus 2 PK (MR & LR)