Shipping is whatever you deem reasonable from PA.
-LaRue LT104, 30mm. Well used and had a tiny notch cut out in the base for an offset red dot long ago.
$155
-ADM Delta mount with titanium levers, 30mm.
$215
Leupold MK6 IMS, 34mm. Mainly designed for the Mark 6, but can be used with other 34mm optics.
$135
Thanks for looking!