Bought new in 2011 as an AR-10A4F and ordered the SASS complete upper from Armalite. Has adjustable gas block and FF rail.
Magpul PRS Stock, Timney trigger, original barrel, two 20 Rnd mags, one 10 Rnd mag
.308/7.62 X 51mm NATO
20" Triple lapped, Ceramic Coated AISI 416R Stainless Steel Match...