Hog Hammer penetrates even the thickest-skinned wild hogs with a Barnes TSX Bullet at its heart. With all-copper construction for deeper penetration than standard lead-core bullets" it's the toughest expanding bullet on the market" offering near 100% weight-retention on-hog" while expanding rapidly to deliver devastating wound channels. Hog Hammer utilizes a flash-suppressed propellant for nighttime or low light hunts.