Much like Google Reviews - members are allowed to create (1) unique thread for each vendor/manufacturer. You may "edit" your thread at any time to reflect any changes.
If you have calipers , you can get all the airgun o rings you would ever need , cheap. Granted , you have to buy a dollars worth of EACH o ring size , but you can get as anywhere from 6-30 o rings for that dollar depending on that specific o ring cost. shipping is $8 for 2 day air , (cheapest) learned of them from mmahoney