Famously hard to find "Projectionless Mounts" from Conetrol
These are the "Custum" version, extra fine finishing and smoother profile bases
Additional screws fitted to the lower rings to keep them together on the scope when removed from the bases.
Creating a QR option
Tapered rings blend into scope to present a very smooth profile, much enhancing a traditional sporting rifle appearance
www.conetrol.com -- Catalog Page
bases measure 10mm and 6mm suitable for up to a 50mm if you must
ideal for a 44mm!!
retail at around $250 in the US before shipping and taxes
£175 shipped RMSD