I mean ... pretty much all offensive linemen are projects. Tough to tell between a project and a late-bloomer. He's just started getting Power 5 offers recently.
OL seems to be pretty tough to predict out of high school. The top NFL draft prospects the last couple of years have come from places like North Dakota State, Syracuse, Kansas State, Minnesota, Duke, UConn, TCU, NC State, Northern Iowa, Boston College, Central Michigan, Tulsa, Louisiana, Wake Forest, UTSA, Southern Utah, North Dakota, San Diego State, Memphis and Chattanooga. There are some from the big boys as well but there are a lot of guys that take more growth and development before they turn into great players.