Yes, the Fusion Self-Etch Primer will stick and adhere to brass and get the brass surface ready for your paint. Fusion SEP is a great DTM primer for non-ferrous surfaces including brass.
KBS Fusion Self-Etching Primer Product Page 👉 https://www.kbs-coatings.com/fusion-self-etch-primer.html
Please review the complete Fusion SEP Application Directions before you begin your project.