SPF - NIB PSA M4 Premium Upper with a 16" M4 profile CL barrel. Its never beed fired and I still have the original box. Going another direction with a build. Gas system is carbine length. No b/BCG/ch.
$510.00 shipped. Payment will need to be USPS MO.
Will consider trades for the following:
Unused 18 inch barrel with rifle length gas
Leupold 3 Gun Multigunner 1-6 optic (will add cash)