AR10 Armalite Barrel .308 16" + Muzzle + Troy Handguard

I have a great condition Armalite brand barrel 16" with gas block + Muzzle + Troy 13" Alpha 308 Handguard with rail attachments. 

Full discloser the gas block will not work with the handguard. Including it but will require milling or separate gas block with work with Troy handguard. 

Will will barrel and handguard separately. 

$400 shipped for package FIRM