.45 Caliber Large Bullet Plume Hat and Lapel Pin : ALL STERLING SILVERA distinctive accessory that adds an element of bold sophistication to your attire, whether worn on a lapel or hat, making a powerful statement. Elevate your style with this impressive pin that captures attention wherever you go. Stats: Bloom . 45 caliber expanded bullet cast into all Sterling Silver bloom, 20mm diameter Stone round cut, 6mm diameter, stone available in all birthstones (lab created) Pin post and backing mixed metal alloy