HEVI-Shot's Magnum Blend is the most lethal turkey shell on the market. It uses 3 shot sizes of their 12 g/cc cast Tungsten. With its 12 density you can drop 1 shot size smaller than lead for the same lethality.
Specifications:

Gauge	12 Gauge
Type	Hevi-Shot
Length	3"
Ounces	2 oz
Shot Size	5,6,7
Muzzle Velocity	1200 fps
Rounds Per Box	5
Boxes Per Case	10
Shot Type
Shot Material
Application	Turkey