The Spec Alpha is the Spec Series with all the upgrades. These are the builds for the superior customer. The same custom workmanship and we include an AR Gold trigger, TiN BCG, and ambi Geisselle Airborn charging handle. The muzzle device, mag release, bolt catch, take down pins, and ambi selector switch will all be made from Titanium. You will also get to choose between our Titanium pistol grip, Titanium fore grip, or a three pack of Titanium grip shields.