It comes with lens covers, but not a sunshade.
The reticle is the ballistic CQ reticle and no the unit cannot be co-witnessed because its a 5x magnification scope. Scopes with magnification cannot be co-witnessed with iron sights because of the magnification.
They are different reticles, the Ballistic CQ is shown in the 5th and 7th images on the product page and the Ballistic 5x reticle is shown in the 6th and 8th images on the product page.
The Fast Fire comes with its standard picatinny/weaver style mount that attaches to the rails on the prism red dot.
One of the BDC tables provided is for M855 and this optic is not compatible with a magnifier.
Yes, it can be used for both 5.56 and 7.62/308.
No, it is currently only available in black.
Eye relief on the AR-536 is 2.5-3.5 inches and this unit carries Burris's Forever Warranty
It has a CQ Reticle.
This is a combo package of the Burris AR-536 model number: 300210 with the CQ reticle and the Burris Fast Fire III model number: 300234 with the 3 MOA dot.