The 650 by Sure-Shot double reed the 650's added volume gives

the 650's added volume gives you the edge

Produces authentic blue-winged and green-winged teal vocalizations

durability

Easily adjustable reed for quick tuning in the field

The 650 by Sure-Shot double reed the 650's added volume givesMore Volume. More Versatility. Pure Mallard. The Sure Shot 650 takes everything hunters love about the legendary Yentzen and turns it up. A unique sound chamber built into the poly body adds more volume and projection, so your calls carry farther across open water, flooded timber, and big marsh. Whether you're hailing birds from a distance or coaxing wary greenheads into the decoys, the 650 delivers. The patented double reed system is easy to adjust