Product Overview
The Remington 300 Blackout 220 Grain Open Tip Flat Base (OTFB) delivers reliable subsonic performance purpose-built for suppressed AR-platform rifles, offering clean feeding, consistent accuracy, and proven Remington quality in a convenient 50-round box.
- 220 grain OTFB bullet optimized for subsonic 300 Blackout performance
- Ideal for suppressed shooting with reduced sound signature downrange
- Flat base design promotes consistent accuracy at typical engagement distances
- Reloadable brass cases for cost-conscious, high-volume shooters
- Loaded in the USA to strict Remington quality-control standards
- 50-round box provides excellent value for range sessions and training
Who This Is For
This ammunition is an excellent choice for AR-15 and AR-pistol owners running a 300 Blackout upper with a suppressor, as well as hunters pursuing medium game at close to moderate ranges where a heavy, slow-moving subsonic projectile offers deep penetration with minimal noise. It also suits competitive shooters and enthusiasts who demand consistent, reliable feeding from a trusted American ammunition manufacturer.
Specifications
| Brand | Remington |
|---|---|
| Caliber | 300 Blackout (300 BLK) |
| Bullet Weight | 220 Grain |
| Bullet Type | Open Tip Flat Base (OTFB) |
| Muzzle Velocity | ~1,010 fps (subsonic) |
| Muzzle Energy | ~499 ft-lbs |
| Casing | Reloadable Brass |
| Primer Type | Boxer, Non-Corrosive |
| Rounds per Box | 50 |
| Country of Origin | USA |
| Intended Use | Suppressed Shooting, Hunting, Target |
Frequently Asked Questions
Is this 300 Blackout ammo subsonic, and does it require a suppressor?
Yes — the 220 grain OTFB load is specifically designed to travel below the speed of sound (approximately 1,010 fps), making it inherently subsonic. A suppressor is not required to shoot it safely, but pairing subsonic 300 Blackout ammunition with a quality suppressor delivers the full noise-reduction benefit this round is famous for. Without a suppressor, you will still get reliable function and accuracy, just without the dramatic sound reduction.
Will this ammunition cycle reliably in my 300 Blackout AR-15 or AR-pistol?
Because subsonic loads generate less gas pressure than supersonic loads, reliable cycling can depend on your rifle's gas system and buffer weight. Many standard 300 Blackout uppers are configured to run both super- and subsonic ammunition, but some gas-port tuning or buffer adjustment may be needed. It is recommended to test a box through your specific setup to confirm reliable feeding and ejection before depending on it for hunting or defensive use.
What is the intended use for a 220 grain OTFB bullet — is it suitable for hunting?
The 220 grain Open Tip Flat Base projectile is well-suited for close- to moderate-range hunting of deer, hogs, and similarly sized game, particularly when used in suppressed setups where shot placement and reduced animal stress are priorities. The heavy bullet delivers excellent momentum and penetration. Always verify that your intended hunting application complies with local regulations regarding bullet type and minimum energy requirements.
