"If your Swampfox Optic fails prior to 50,000 rounds fired, we will repair or replace it for free. Yep, we’re that confident in our quality, and we stand behind both our products and our customers. "
For the price I say give them a shot. Something to remember about optics today is that many companies outsource their manufacture to other companies and have their optics made to their specs. Vortex, Sig and quite few others do this.
Think of it like AR uppers. Many companies “make” uppers but the reality is that there is only a handful companies that do the actual forging.
I bought one once. Put it on an AR pistol. It didn’t even make it 100 rounds before it came apart.
I returned it and have not gone back.
That’s my experience with Sightmark.
I haven’t any experience with them [having yet to find a suitable mount to attach one to my UK government approved tactical teaspoon], but TDS did review three of the SwampFox optics here over the last year: