Decided to pick up the Bushnell/Simmons/Tasco/Millett line in a more concentrated form that I had a few years back.
Starting to get up online, slowly:
http://scopesandammo.com/storefront/.../bushnell-m-57
They have some nice products, I must say.
And we are still Your Canadian Crosman Service Parts source.
http://www.scopesandammo.com/storefront