The 45 Caliber .452 Diameter 185 Grain Round Nose Plated 500 Count. The Berry's 45 caliber round nose bullets are swaged, then copper plated, and re-sized (Double-Struck). These 185 grain hollow base bullets feature a .452, 185gr round nose full metal plated jacket. They will not foul your barrel with lead residue. All 45 Caliber .452 Diameter 185 Grain Round Nose Plated bullets are swaged from a custom alloyed lead for uniformity, then plated to final weight and put back in a carbide die to be re-struck to the preferred dimension. Double struck and plated Carbide die for dimensioning Can be loaded up to 1250FPS