Barnes Bullets TAC-XP 38 Special .357 110 GR TAC-XP 40 Box. 357 110 GR TAC-XP 40 Box is a one-way trip that effectively controls expansion and penetration forces while creating a lethal effect. The construction of this Bullet from Barnes is 100 percent copper without any lead bodies. Over time these Barnes M/LE Bullets will actually improve performance by producing tighter groups at a longer distance. Another upside to using the Barnes TAC-XP Pistol Bullets is that they easily retain their original weight and are capable of penetrating through glass plastic windshields and even metal barriers. For competitive shooters who need a serious bullet that delivers major impact look no further than the Barnes M/LE TAC-XP Pistol Bullets. These bullets pack a powerful punch even through the toughest materials such as powder. Specifications for Barnes Bullets 30449 TAC-XP 38 Special .357 110 GR TAC-XP 40 Box: Manufacturer: Barnes Bullet Type: Hollow Point (HP) Bullet Weight: 110 grain Sectional Density: 0.123 Projectile Caliber: .38 Caliber Bullet Quantity: 40 Bullet Country of Origin: USA Housing/Frame Material: Copper Fabric/Material: Copper Package Contents: Barnes Bullets 30449 TAC-XP 38 Special .357 110 GR TAC-XP 40 Box Barnes Bullets 30449 TAC-XP 38 Special .357 110 GR TAC-XP 40 Box