Humid environment may cause rust, please keep it properly. If there is a problem of rust after receiving the product, please contact us to replace it in time.
Precision CNC Machined from 6061-T6 Aircraft Grade Aluminum with Weight Reducing Lightening Cuts, and Finished in a Matte Black Anodize
Also suitable for RMR SRO similar red dot,But I hope you pay attention to the size of red dot.