Nice 3/8-11mm offset ring in 30mm?

[sillymike]

OK, seems like my google-fu is not up to par today...
- Anybody knows of some nice 11mm offset rings?

I want to use one of the PCP air rifle to practice prone shooting, and I'm trying to get the scope lower... with the current cantilever add-on base, my adjustable cheek-piece is maxed-up...

Seems like all I can find are either BKL or stuff from Aliexpress

 

[TrxR]

When you say offset do you mean to one side? Ive got Harrels precision offset ring on my bench rifle.

 

[sillymike]

No, I mean to say like a cantilever