Phelps Metal Bugle Tube (Complete Elk Bugling System)Manufactured as a one piece aluminum bugle tube, the Phelps METAL balances the elk hunters' demand for a weight conscious, compact design and the ability to project loud, crisp calls. The aluminum construction provides more sound than plastic and is engineered to meet the frequency of bull elk. With the option of our interchangeable flared or the external mouthpiece, all levels of calling ability are covered. The bugle has been sandblasted, anodized