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You will need to measure the diameter of the magnification ring, but these should be options.
https://www.opticsplanet.com/switchview-folding-magnification-adjustment-throw-lever.html
Unfortunately, we do not carry a side wheel that will specifically fit this scope.
We recommend contacting the manufacturer for up to date information on an optic's production. Unfortunately, the only contact info available is the manufacturer's social media pages. Here's a link to their Facebook page.
https://www.facebook.com/BarraOptics/?ref=page_internal
This is the warranty for ALL of Barra's optics: "We hold ourselves to a Diamond Standard and our warranty is no exception – it’s simple, clear, and brilliant. Our products are designed to last a lifetime. If your Barra riflescope is ever damaged, regardless of how it was damaged, we will either repair or replace it with an equivalent or better product. This warranty is fully transferrable. * Excludes electronic components, which are covered for 5 years. Loss, theft, intentional damage, and any cosmetic damage that does not affect the product’s performance are not covered."