I have the new Burris one piece 30mm and 1" scope mounts for AR15 and similar rifles. Check 'em out here:
http://www.bigrivertactical.com/catalog/item/2409771/7544196.htm
http://www.bigrivertactical.com/catalog/item/2409771/7544198.htm
Donnie
http://www.bigrivertactical.com/catalog/item/2409771/7544196.htm
http://www.bigrivertactical.com/catalog/item/2409771/7544198.htm
Donnie