Rust-Oleum Stops Rust Interior/Exterior Multi-purpose Oil-based Primer (Aerosol Spray) in the Primer department at Lowes.com
The Army Painter Color Primer Spray Paint, Barbarian Flesh, 400ml, 13.5oz - Acrylic Spray Undercoat for Miniature Painting - Spray Primer for Plastic Miniatures - Artistis Painting Supplies - Amazon.com
Rust-Oleum Professional Gray 15 Oz. All-Purpose Spray Paint Primer | Modern Home & Hardware
POR-15® Self Etch Primer Spray Can for Rust Prevention - 15 oz.