If you want top notch, non-toxic bird hunting ammo, check out Hevi-Shot's Hevi-13 ammo. This 12 gauge example is a 3" shell loaded with 1-3/4 oz of #4 shot, which it launches at 1090 fps.
HEVI-Shot Hevi-13 features 40% more knockdown power and 40% more effective range than lead. Its pellets are buffered and moly coated for denser patterns. These features result in increased accuracy and distance while putting more pellets on target.
5 rounds per box. To buy a full case, order 10 boxes.
Ammo price is per box