seal 177

[wethy]

My buddy has an old 177 it has something on the barrel that has a seal and says seal something on it. Neat old break barrel anyone have a clue what it is?

 

[wethy]

That gun is called a Sea Lion I haven't found anything on google yet.

 

[wethy]

it's called a bam b3 underlever. nothing special about them found something on another forum