Shotgun + Choke, yes. Understood.
Why would an air rifle need a slight narrowing of the bore at the end of the barrel?
Of self respecting air rifle models, do some or most or all have choke?
Shotgun + Choke, yes. Understood.
Why would an air rifle need a slight narrowing of the bore at the end of the barrel?
Of self respecting air rifle models, do some or most or all have choke?
P1V1overT1=P2V2overT2