I just bought from local hardware Shop. Outside dianeter is little bit bigger than original, backseat it's little bit too thick. It works nicely, but adds little bit resistance.
I changed that o-ring and it didnt got better at all.... Its leaking on opposite side of fill probe when I try to fill it. does anyone have any suggestions what is wrong with it. SF Standard in .25cal.
Well that Gamo has about 33fpe and it has already destroyed one scope. It was Gamo's 4-12 ao md. Hawke is propably much better and higher quality than Gamo, let's see.