Sig 556 SBR NFA registered conversion with a 10 inch barrel. It has 30 rounds function test fired. This gun is ready to go with the following high end goodies: Griffin charging handle, ACE folding stock, Surefire flash hider, and Samson quad rail. 

This is a registered Class 3 NFA item short barrel rifle and requires a successful transfer through an NFA dealer. Please research the process. A normal FFL can't transfer this NFA item.