Last Call TSS ammunition is built to exceed the most rigorous demands of elite waterfowl hunters. Shot after shot. Last Call delivers. Features: TSS Shot - Buffered 18 G/CC Tungsten -Over 50% more payload energy with 1.8 times greater penetration* Inescapable Patterns -Payloads with 40% more pellets than steel maximizes kill zone* Harsh Weather Proven- Sealed wad and primer offer incredible water resistance for safe and reliable performance *Compared to equivalent payload of #2 steel in a 30" circle at 40 yards. Pair with light modified choke or less constriction for optimum patterns.