The Atomic 88430 300BLK 220 Sub-20 20/10 is purpose-built subsonic rifle ammunition for shooters who demand consistent performance from their .300 Blackout platforms. Each box contains carefully loaded cartridges featuring a heavy 220 grain hollow point boat tail bullet seated in quality brass, engineered to deliver reliable feeding and stable flight for precision work at subsonic velocities.

This load is well suited for suppressed rifles where reduced noise and smooth recoil are priorities, making it a strong choice for range use, training, and recreational shooting with .300 Blackout firearms. With Atomic’s focus on quality components and tight manufacturing standards, this ammunition reflects the brand’s reputation for dependable, thoughtfully engineered specialty loads.

Key Features:

• Manufacturer: Atomic
• Model: 88430 300BLK 220 Sub-20 20/10
• Caliber: .308/7.62x51mm (.308 Winchester)
• Bullet Type: Hollow Point Boat Tail
• Bullet Weight: 220 Gr
• Rounds Per Box: 20
• Boxes Per Case: 10
• Casing Material: Brass