Originally Posted by
Hares Ear
Confused about the model of gun perhaps.
But if his rifled lothar walther barrel gets fouled after 150 shots with airgun pellets at airgun velocity, then there is something wrong with it.
A rimfire doesn't foul with far more shots than that, at greater velocities along with burnt powder residue, also there are many centrefire rifles that don't get cleaned either, at even greater velocities still.
I still won't be dashing out for a smooth twist barrel.