For sale is a very good condition Nightforce 30mm mount.
Specs:
Tube diameter: 30mm
Height: 1.375''(~35mm)
Offset: 0 MOA
Material: Titanium Alloy
Full description found on the Nightforce website.
Price: £210
Advertised elsewhere.
Tier One Monomount, Short Saddle - Great condition.
34mm tube, 20MOA / 6Mil offset, 32mm height. Model number: T1MUS-340632
Price: £190
TPS Aluminium Ringset - Great condition (bar some marring on one nut)
30mm tube, 30mm height
Price: £50
Both advertised elsewhere.