Just got in a shipment of these Windham AR's Model R16A4T. These are the Maryland compliant heavy barrel version.
Check them out here. They won't last long.
http://www.jlowesguns.com/WINDHAM-WEAPONRY-R16A4T-223556-HBAR_p_148.html
Check them out here. They won't last long.
http://www.jlowesguns.com/WINDHAM-WEAPONRY-R16A4T-223556-HBAR_p_148.html