Good morning, looking to add a magnifier to my SBR with a T1. Looking at a Sightmark x5 magnifier to test the theory and ser if I like it.

Anyone try either the x3 or hopefully the x5?

http://www.sightmark.com/product.php?item=284

I'm sorry I don't have experience with sitemark. Consider the Samson 3.5x

I have the 3x, mounted, never fired. E-mail inbound.

Sorry, I have no experience with them, but I know you can save quite a bit buying from somewhere other than the Sightmark website.

For example, the Sightmark website has the 5x you linked to, at $143. You can get it at Amazon for $92 (https://www.amazon.com/Sightmark-5x-Tactical-Magnifier-Pro/dp/B017YF3XG6/ref=sr_1_2?rps=1&ie=UTF8&qid=1524372422&sr=8-2&keywords=sightmark+magnifier&refinements=p_85%3A2470955011), or Midway USA for $120 (https://www.midwayusa.com/product/903572/sightmark-t-5-5x-magnifier-with-lqd-flip-to-side-quick-detachable-mount-matte)