The Japanese-made Orga Widebore Barrel gets reviewed by the Airsoft & Military News Blog... "There have been many independent studies into what is best for improving the range and accuracy of an airsoft gun. Whether it be a longer inner barrel, or a tighter bore. There are many methods and many variables. One of these methods has questioned what most airsofters have believed to be best. Having a tighter bore inner barrel should increase accuracy and improve range.