Is this M4 bayonet USGI issue or a reproduction?

[Hecklerusp45]

What do the experts here think? Is this late production GI or a reproduction?

https://www.armynavysales.com/new-production-m4-bayonet-made-in-usa.html

[lyman]

new production,, since we (USA ) have no carbines in inventory and have not in a long while, it would no be USGI,

so repro

[m1ashooter]

Per the late Gary Cunninghams Bayonet Points he says this a commercial made M4.