Atomic 300 AAC Blackout 220gr Subsonic HPBT — 50rd Box

The Atomic 300 AAC Blackout 220gr Subsonic is match-grade rifle ammunition built for consistent subsonic performance using a hollow-point boat‑tail projectile. These rounds are loaded in brass cases and are listed as reloadable, offering low recoil and stable terminal performance for appropriate field use. Packaging is a reusable plastic 50‑round box, with multiple boxes available per case.

Key Specifications

• The cartridge is chambered in .300 AAC Blackout.
• The bullet weight is 220 grains.
• The bullet design is a jacketed hollow point boat‑tail.
• The listed muzzle velocity is 1050 fps.
• The listed muzzle energy is 538 ft lbs.
• Each pack contains 50 cartridges.
• There are 10 boxes per case.
• The cartridge cases are made of brass.
• These rounds are marked as reloadable.
• The product includes a reusable plastic box and is made in the USA.

Designed for shooters who require reliable subsonic performance, this Atomic 220gr HPBT load offers consistent ballistics and reduced recoil suitable for suppressed systems, precision work, and field applications where subsonic ammunition is preferred. The brass cases and reloadable designation add versatility for experienced handloaders, while the reusable packaging supports organized transport and storage.