Dye UL-I Barrel Tip 16 InchDye UL I Barrel Tip 16 Inch This is the Dye UL I Barrel Tip only. You will need three pieces in total to make a complete Dye UL I barrel. #1 The Dye UL I barrel back, #2 The Dye UL I barrel tip, #3 The Dye UL I insert (or a PWR compatible insert). This tip when assembled will make the UL I barrel 16 inches in length. The tip is not 16 inches by itself. Accuracy DYE versified. The new DYE UL I Barrel Insert System has reset the standard for accuracy