Long story short I have a .264LBC that I was planning on selling to help fund my new Grendel build.  Being disabled with no income means I have had to save my pennies for a few years now to get to this point.  The .264LBC I was planning on selling has a Vortex Viper HS LR 4-16X44 Dead Hold BDC scope on it.  In addition to that Vortex I also have a Vortex StrikeFire on my HK MP5 SD-22 (Walther .22LR version) as well as the two StrikeFire's my sister owns and uses.  I own and use scopes also from Nikon, Leupold and Trijicon which have been great scopes but for this new build I want to go with another Vortex.  

As I said I had intended on selling my .264LBC with the Vortex Viper HS LR 4-16 on it to fund the new build but I decided that I would rather give it away to my sister.  She takes care of me and pays all my bills herself so the opportunity to give her something that I had spent a lot of money on over the years was a no brainer.  It means I'm on a much tighter budget now but worth it to me and in my experience Vortex truly is "the best bang for the buck".  I really like the Vortex Viper on my .264LBC which is why I'm planning on staying with not just with Vortex but also the same scope type.  This new rifle will have more distance ability and I've been wanting to learn how to shoot long distance so this seems like the perfect time to upgrade to a higher magnification and a more precise reticle.  Every variable scope I've ever shot in my life has been a second focal plane reticle but this seems like the perfect opportunity to switch to a first focal plane with a more precise reticle.  

All this leads me to the Vortex Viper HS LR 6-24X50 FFP.  I think this will be the perfect scope for my rifle that will be used to learn long distance shooting as well as a hunting rifle but there's another Vortex scope that I'm considering.  As I said I've never used a scope like this and it's pretty intimidating to be honest.  The Viper HS LR has one reticle option and that is the XLR MOA so if I choose this scope the reticle is a given.  However, through my research I've also come across the Viper PST 6-24X50 FFP (refurbished on sale at A&A Optics) which is very similar except that it has the EBR-1 MOA or the EBR-2C MOA.  

I'm pretty sure I want to go with the Vortex Viper HS LR 6-24X50 FFP with the XLR MOA but not really understanding the differences between the XLR MOA vs the EBR-1 MOA vs the EBR-2C MOA I need more information.  Could someone give me a comparison of them in terms a newbie would understand and maybe even a recommendation? Any help/advice is appreciated.

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To best answer your question, the EBR-2C and XLR reticle are very similar! The XLR is only an MOA reticle, while the EBR-2C can be had in either MOA or MRAD. The main difference between the two optics is that the PST has both windage and elevation turrets exposed, and the option of illuminating the reticle. Both scopes are built off of the same optical system and function very much the same. I'll say this, your main decision will be in deciding between the EBR-2C/XLR and the EBR-1. If you plan to dial elevation for most of your long range shooting, then the EBR-1 will work just fine. However, the benefit of the EBR-2C/XLR is that you can hold for elevation and windage at the same time without dialing. 

That's exactly what I needed, much thanks!! This will make my decision easier.