Osuma also offer Osuma QD scope mount bases for official Optilock rings. By those QD bases is very easy to upgrade fixed mount to quick detacheable version.
Optilock compatible upstairs fits perfectly to original Optilock mount bases. Upstairs for Optilock bases are available for innerrail mounting and tube mounting up to 40mm tube.
Osuma QD mount base, Optilock compatible
| Tikka (17mm) rail |
| Sako rail |
| Picatinny rail |
Osuma Rings for Optilock Base
| 30 mm ring (pair) | ME |
| 34 mm ring (pair) | LO or ME |
| 36 mm ring (pair) | LO, ME, HI |
| 36 mm magnum ring (pair) | LO or ME |
| 40mm ring (pair) | LO |
LO = Low
ME = Medium
HI = High
Adapter mounted on an Optilock base
| Osuma Rail Mounts for ZM |
| Osuma Rail Mounts for SR |
