This is a RWS/Umarex Pellets chambered in 177PEL, model 2317406.
The RWS Supderdome has the so-called English bulldog design with a round head and a rifled skirt. It is a great field line pellet with excellent knock down power that's great for hunting and target shooting with your airgun.
Features:
Rifled skirt
Round head
Great for hunting and target shooting