The shoulder on my non-dominant arm (left) has been injured for some time now and supporting a rifle with that arm is bothersome, to say the least. I was hoping to get suggestions on really light ar15 models. I have been looking at Bravo Company rifles. A 14.5 with a pinned flash hider to make it 16. I guess with the magpull handguard, even though I would much rather have a larue or DD handguard (true quad rail). Help me think outside the box on this one guys, and have an awesome day.