The Underwood Ammo 420 223Rem 62gr Solid Monolithic 20 Per Box/10 Case is engineered as a lead-free, Controlled Chaos copper projectile paired with nickel-plated brass casings for consistent, high-performance rifle shooting. Designed to penetrate to a specific depth before fracturing, this 62 grain solid monolithic bullet delivers rapid energy transfer and controlled fragmentation for effective terminal performance on game and defensive targets.

This .223 Remington load offers a supersonic 3100 fps muzzle velocity and 1323 ft lbs of muzzle energy, making it well suited for varmint hunting, medium game, animal culling, fur hunting, and personal protection where over-penetration must be minimized. The nickel-plated brass case enhances feeding, corrosion resistance, and ease of cleanup, while flash-suppressed powder helps preserve the shooter’s vision in low light. Underwood Ammo’s focus on precision ballistics and reliable construction makes this round a dependable choice for demanding rifle applications.

Key Features:

• Manufacturer: Underwood Ammo
• Model: 420 Controlled Chaos
• Caliber: .223 Remington
• Bullet Type: Solid Monolithic Copper
• Bullet Weight: 62 Grains
• Muzzle Velocity: 3100 Fps
• Muzzle Energy: 1323 Ft Lbs
• Gun Type: Rifle
• Casing Material: Nickel-Plated Brass
• Rounds Per Box: 20
• Boxes Per Case: 10
• Application: Varmint, Medium Game, Personal protection
• Lead Free: Yes
• Velocity Rating: Supersonic