to me I do not consider it a battle rifle at allKeep in mind that I know nothing of the AR15 but there are 2 other things on the XCR which make me, as a noob, question it's legitimacy as a battle weapon:
1) The quick release lever that separates the upper from the lower. To me it would be easy to accidentally catch on something spilling the bolt carrier group into the dirt?
2) The adjustable gas block getting blown down range if it get's left in the wrong position. I know it should be set it and forget it but... I was experimenting with gas settings to keep the brass from being thrown into the next timezone and made that mistake. Luckily I found it about 30 yards downrange but for a soldier that would suck. Maybe the piston AR's are the same way?
However RA began building this thing with the intention of submitting it for US military trials IIRC.


















































