Annie, the Heritable Jurisdiction privelages were abolished after the '45 and compensation paid to the landowners. Thereafter, cash not claymores, became their prime interest.
The feudal system of land ownership was only abolished in 2004, although the landowners unfortunately

are still with us. Very much unfinished business.

Similarly the proposed conversion of long leases (tacks) into outright ownership, as long as there was 100 years still to run, only went to the Scottish Parliament a few years ago.
Many estates were formerly strictly entailed, preventing squanderful heirs from selling them off, but granting tacks (for hundreds of years, in some cases), was a way round this problem.
You might be able to find this registered as a deed and not in the Sasines.
Best Wishes,
Skoosh.