Underwood's .223 Remington 55gr Controlled Chaos rounds are engineered for optimal performance in varmint hunting, animal culling, and personal defense applications. These cartridges feature a solid monolithic bullet designed to penetrate to a specific depth before fracturing, creating multiple wound channels and a large temporary cavity. The nickel-plated brass cases provide improved feeding, corrosion resistance, and easier cleanup during reloading.

Features/Specs:

• Caliber: .223 Remington
• Bullet Weight: 55 grains
• Bullet Type: Controlled Chaos Solid Monolithic
• Muzzle Velocity: 3300 fps
• Muzzle Energy: 1329 ft-lbs
• Rounds Per Box: 20
• Case Material: Nickel-plated brass
• Reloadable: Yes
• Flash suppressed powder for low-light use
• Lead-free bullet construction
• Designed for varmint hunting, animal culling, and personal defense