Very old model Weaver scopes ever not gas filled and the crosshairs were not centered, but the later, El Paso made, scopes were gas filled.

Recoil Rob wrote: "I don't believe any US made Weavers were gas filled and sealed, on the older ones you can unscrew the eyepiece right of. They just have O Rings."

I have in hand, as I type this, a 1958 Weaver scope catalog and it states on page 4: "All K Model Scopes are nitrogen fill to prevent fogging".

Last edited by Don Moody; 03/01/09 12:08 PM.
Ole Cowboy