Three sets of 30 mm rings for sale.
First set is NIB Millet medium rings with extended front ring for Leupold/Redfield style bases in their semi-matte looking finish, $15 shipped.
Second set is unknown manufacture gloss steel extra low also for Leupold/Redfield style base, excellent condition, $15 shipped.
Third set is Millet medium matte for Weaver/Picatinny style base, excellent condition. $15 shipped.
$40 shipped for all three sets.