Blueguns by Rings Blueguns - Training Knife Replica . Made using an impact resistant polyurethane material the Blueguns Training Knife Replica will provide you with years of proper use. For a great way to make sure you are utilizing one of the better products the training field has to offer purchase the Blueguns Training Knife Replica. Specifications for Blueguns Training Knife Replica: Manufacturer: Blueguns Blade Grind: Dull (Training Knife) Package Contents: Blueguns Training Knife Replica The Blue Training Guns Blue Training Guns - Training Knife Replica is a quality addition to the Blueguns lineup. For more great deals on Training Knives by Blueguns please browse our Blue Training Guns by Rings Training Gear page.