The Barra 1866 Airgun Rifle conversion kit allows the standard 1.77 (4.5mm) full bore barrel to be increased to the larger .22 (5.5 mm) full bore barrel. Designed for those who want extra power from their pellets. This simple conversion kit allows for a larger caliber pellet to be used on your Barra 1866 Airgun Rifle with minimal teardown of the rifle instelf. Please note: You will need to use the appropriate .22 (5.5 mm) pellet ammunition with this product to ensure correct functionality and to prolong the life of the product. We do not reccomend using .177 (4.5 mm) pellet ammunition with this barrel. Weight: 381gr/0.84lb
