[4] Heck was selected by the Houston Texans in the fourth round (126th overall) of the 2020 NFL draft.

Heck was waived by the Cardinals on November 18 and re-signed to the practice squad two days later.

[14] On December 25, 2024, Heck was signed by the San Francisco 49ers off the Cardinals practice squad.

[15] Charlie's father, Andy Heck, is the offensive line coach for the Kansas City Chiefs, a former NFL offensive lineman for 12 seasons, and an All-American during his college football career at Notre Dame, where he won a National Championship.

[16] Charlie's brother, Jon Heck, also played offensive tackle for the University of North Carolina and currently serves as an assistant strength and conditioning coach for the Troy Trojans football team.