Looking for the standard with just a little more? Look no further than the Autumn Thunder 21" bugle from Duel. With the patented dual chamber technology on the inside, this big bugle gets you closer to the action. Stop wasting your breath. Get real with Duel. Available in Realtree Max-1. Different size resonating chambers to sound more real. Adjustable single reed produces full range of calls from long range bugles to close-in grunts. Includes camo cover, two replacement reeds, two O-rings and instructions. Heavy latex reed.