The Dye Ultralite barrel is popular favorite of the top pros today. The Ultralite is chosen for its all aluminum light weight advatage. It is also a very popular custom barrel because its aluminum construction offers the ability to be anodized to match any gun color. It is made with the same precision quality that you can expect from Dye as the leader in barrel manufacturing. Available in red, blue, clear, or classic black. Mix and match backs and tips for any situation or look. All backs come in .688 bore size.