Air Arms Air Arms S400 transfer port o-ring

[Skip-in-WV]

Anyone know the size?

 

[Motorhead]

I seem to recall there being a Flat White teflon disk making the seal from upper to lower on non regulated 400/500 series AA's

 

[BSJ]

Anyone know the size?

6x1
6mm ID 1mm cross-section

 

[Skip-in-WV]

Thank you