Eotech on SP6920

I just purchased my first AR, a sp6920. The rifle is perfect. The only thing I want to add is an eotech. Before anyone jumps on me about buying aimpoint, Id rather have true cowtiness than upper 1/3 so I decided on eotech. I noticed looking through pics on the forum that the 512 seems it might be a bit long with the BUIS. Will the 512 be ok or should buy the 516 to keep the sight shorter?

Might cost you a little more but go with one of the XPS or EXPS models for the shortest amount of railspace taken up. I’d look here

http://www.opticsplanet.net/l3-eotech-opmod-exps2-holographic-sights-limited-edition-red-dot-sights-exps2-0-opmod.html

Wouldn’t matter. Decide on what battery you want to use. I like having a short one using cr123 batteries. Xps line is a smaller one. 516 is older than the xps.
… Though I prefer Aimpoint micros over Eotech.

You can mount Aimpoints in an absolute cowitness too.

Pick up the mid Larue mount instead of tall for a T-1 and you’re set.

As others have said, if it’s absolute co-witness you’re after that’s easy enough to do with the T1. Just get an ADM mount with the appropriate riser:
http://www.operationparts.com/American_Defense_Aimpoint_T1_Micro_Mount_Cowitness_p/AD-T1M-CO.htm

The one nice thing about the EoTech is you don’t need to buy a separate mount plus it’s a bit cheaper to start with. If you’re going to go the EoTech route, I really like my XPS. You can probably find one for a bit above 400. Probably looking at 600+ for the Aimpoint plus mount. I also have an R1 in the above mount and it depends on the day as to whether I prefer it or the XPS.

Well I had a chance to shoot my cousins le6920 with a xps eotech. I think that I am going to want a magnified scope on mine for the range and I don’t have $1000 for the eotech and the x3. Only problem is I have no idea what I am looking for on the AR platform. 1x4, 3x9? Anyone have any suggestions? I have read through the forum a bit and there seems to be a multitude of choices. I am looking to stay in the same price range, $400-$500. Any scopes stand out as a better choice in this range?

You can rule out the 516 as one of your choices if you don’t want lower 1/3.