Berry's superior plated bullets are swaged and plated to final weight and re-struck for accuracy and precision.They are more affordable than jacketed rounds and won't foul your barrel with lead.Saami max.40 col = 1.135", saami max 10mm col = 1.250.Bullet Type: Flat Point (FP)Bullet Diameter: .401Weight: 180 grBullet Caliber: .40 Cal/10mmJacket Material: CopperCore Material: LeadQuantity: 250 Per Box