This Complete FN Upper Parts Set includes the following parts below. ***They are M16 rifle extensions, not m4 carbine extensions. ***
(1) FN M16A4 Carry Handle:
NOS condition removable carrying handle rear sight assembly. The carry handle was recently removed from a new FN factory upper. The carrying handles have various forging marks depending on the subcontractor that supplied them to FN.
(1) KAC RAS M5 Handguard Set:
Knights Armament RAS M5 handguard set in New take-off condition meaning that they were removed from new M16A4 rifles. They are marked for KAC in Titusville, FL, come with a full set of KAC rail covers, the lower tensioning spacer, and are dated 2008.
(1) FN M16A4 Barrel Assembly (These barrel extensions are only compatible with an M16 receiver. They will not function properly with an M4 receiver):
FN Cage Code marked barrel assembly in New take-off condition meaning that they were removed from new M16A4 rifles showing evidence of factory test firing and handling marks only. They are marked 3S679 5.56 NATO 1/7. These (20″) barrels are mil-spec 5.56 chrome chamber with 1/7 twist chrome lined bores. They come complete with delta ring assemblies, front sight assemblies, and a gas tube.
(1) FN Charging Handle:
NOS FN charging handle.
(1) FN M16 Complete BCG:
NOS FN Bolt Carrier Group. The carriers are faintly marked “F” for FN which is typical for FN carriers and the bolts are all marked “MPF”.