40 Caliber .401 Diameter 180 Grain Hybrid Hollow Point 250 Count by Berry's Manufacturing Product Overview now offers the Berry's 40 Caliber and .401 Diameter 180 Grain Hybrid Hollow Point in a 250 Count box. The Berry's 40 Caliber and .401 Diameter 180 Grain Hybrid Hollow Point Bullets are swaged and then copper plated and and re-sized (Double-Struck). These bullets feature a .401 diameter and 180gr Hollow Point full metal plated jacket. They will not foul your barrel with lead residue. All .40 caliber 180 Grain Hollow Point Plated bullets are swaged from a custom alloyed lead for uniformity and then plated to final weight and put back in a carbide die to be re-struck to the preferred dimension. Specifications and Features: Double struck and plated Carbide die for dimensioning Can be loaded up to 1250FPS SAAMI MAX .40 COAL: 1.135 SAAMI MAX 10mm COAL: 1.250 Suggested velocity: 975-1075 fps