The SIG SAUER .300 AAC Blackout Subsonic ammunition is engineered for shooters who demand exceptional performance when running suppressed. Loaded with a 220-grain Sierra MatchKing projectile, these rounds deliver outstanding accuracy with minimal dispersion, making them ideal for precision applications where noise reduction and consistency matter most.

Each cartridge is precision-loaded using SIG SAUER’s state-of-the-art electromechanical monitoring to ensure geometric conformity and reliable performance. With a subsonic muzzle velocity of 1,000 FPS and 488 ft-lbs of energy, this ammunition offers smooth cycling and dependable terminal performance without breaking the sound barrier.

• Caliber: .300 AAC Blackout
• Bullet Weight: 220 Grains
• Projectile: Sierra MatchKing
• Muzzle Velocity: 1,000 FPS (Subsonic)
• Muzzle Energy: 488 ft-lbs
• Casing: Brass
• Quantity: 20 rounds per box
• Optimized for suppressed firearms
• Precision-loaded for superior accuracy and consistency