Featuring Barnes patented X-Bullet technology, all-copper XPB bullets offer dramatically increased penetration over conventional jacketed lead-core bullets. These lead-free bullets provide superior expansion and weight retention. Energy transfer is unsurpassed, making them ideal for hunting or self-defense. XPB pistol bullets used with a sabot can also be used in muzzleloading rifles. Series Pistol Weight 225 gr Quantity 20 Per Box Cannelure Yes Bullet Type XPB Core Material Copper Solid Bullet Caliber 44 Mag Bullet Diameter .429 Jacket Material Copper Solid Unit Of Measure box Recommended Usage Hunting/Self Defense Sectional Density .175 Bullet Tip Material Hollow Point