going necro again:
it seems like those orings fit the brass eagle nightmare, too ...
what i did to get a new cupseal:
- remove debris of old one
- apply a nice and flat surface (light bevel maybe) of silicon or simillar (homedepot saniterial supplies)
makes a perfect cupseal!
piercing pin seal can be aquired from any air rifle store. ask for a crosman cupseal (357/6 1077, etc ...) they are all the same ...