The AccuPoint, while battery free, has no provision for BDC. The only reason I listed it is because it's great for the price point (less than half of a Short Dot II).
While we're on the topic of ACOG; The 4x32's have a pathetic eye relief (1.5"), and are outright unusable on many guns, especially in any less-than-ideal shooting positions. You wonder why you see so many pictures of Marines aiming with their A2 buttstocks off and over their shoulders? It's because they can't see the goddamn optic with armour and no LOP adjustment.
The only ACOG I would put on any of my guns would be the TA11's... every other model is either gigantic, has incredibly limiting eye relief, has too little magnification to justify having over 1-4x+, or has no BDC. And it's still a 15oz + mount affair.