Flatline Ops have released a new bubble level specificially made for Spuhr mounts, the TANGO SM ACCU/LEVEL. It can be swing out of the eay when not needed, aids in the correction of “cant error,” and offers micro fine-adjustment after installation.
Specs:
Mounting: SPUHR® mount adaptive
Profile: Ultra-low profile
Material: 6061-T6 Aircraft Aluminum
Finish: Mil spec Type III Black Hard Anodized
Hardware: Stainless Steel
Level: High Visibility Fluorescent** green fluid
flatlineops.com/products/levels/tango-sm