<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: DDS260</div><div class="ubbcode-body">do i need a buttstock adapter for a connection to the top side? </div></div>
Or, you could always rig some 550 cord to make a sling loop/attachment.
I've always thought of those plates that go between the stock and lower receiver as a "single-point" sling mount, and never considered using one for 2-point sling, but I guess it would work.