That scope mount is "offset" to the left hand side... so the cases can still eject. I am not familiar with that sight mount ...as to quality.
And, that Red Dot sight has worked well for me. I would suggest the "Fastfire III" version, as it has 3 "fixed" on settings and 1 "auto" setting. ( The auto setting is so-so ) and replacing the battery is much easier on the Fastfire III .
All in all you could be at about $300 worth of equipment. If it didn't work out, you only spent $27 on a iffy mount. The Burris could be used on darn near any other firearm.
If you have never used a Red Dot sight.... once you do, you will see the benefits immediately. It truly makes target acquisition faster.