Federal Subsonic Rifle Ammo 300 BLK 190 gr. Subsonic Expanding – 20 Rounds (F300BMSR3)
The Federal Subsonic Rifle Ammo 300 BLK 190 gr. Subsonic Expanding is a premium, purpose-built cartridge designed specifically for suppressed firearms. Model F300BMSR3 delivers reliable subsonic performance with a 190 grain expanding projectile, making it an excellent choice for shooters who want maximum sound reduction without sacrificing terminal performance. This 20-round box provides consistent, high-quality ammunition optimized for 300 Blackout rifles equipped with suppressors.
Engineered for Suppressed Shooting
Subsonic ammunition is essential for achieving the quietest possible report when using a suppressor. The Federal F300BMSR3 load is carefully developed to keep velocities below the speed of sound, dramatically reducing the sonic crack that occurs with standard supersonic loads. Combined with a quality suppressor, this ammunition allows shooters to enjoy significantly quieter shooting while still benefiting from the expanding bullet’s reliable terminal performance on target.
Key Features of the Federal 300 BLK Subsonic Expanding Ammo
- 190 Grain Expanding Bullet – Designed for reliable expansion and effective terminal performance at subsonic velocities.
- True Subsonic Velocity – Maintains speeds below the sound barrier for maximum noise reduction when suppressed.
- Optimized for 300 Blackout – Specifically engineered for the 300 BLK cartridge and its unique ballistic requirements.
- Consistent Cycling – Reliable feeding and function in semi-automatic AR-15 platforms.
- High-Quality Components – Premium brass, powder, and primers for consistent ignition and performance.
- Reduced Recoil – Subsonic loads offer noticeably softer recoil compared to supersonic ammunition.
- 20-Round Box – Convenient quantity for range sessions, training, or hunting trips.
- Model Number: F300BMSR3
Technical Specifications
| Specification | Details |
|---|
| Brand | Federal |
| Model | Subsonic Expanding |
| Model Number | F300BMSR3 |
| Caliber | 300 Blackout (300 BLK) |
| Bullet Weight | 190 Grains |
| Bullet Type | Subsonic Expanding |
| Velocity | Subsonic |
| Quantity | 20 Rounds |
| Best Use | Suppressed Shooting, Hunting, Training |
Why Choose Federal Subsonic 300 BLK Expanding Ammunition?
Federal is one of the most trusted names in ammunition, known for producing reliable, high-performance loads across all categories. The F300BMSR3 represents Federal’s commitment to developing specialized subsonic ammunition that actually performs when it matters. Many subsonic loads struggle with reliable expansion at lower velocities, but this 190 grain expanding projectile is specifically designed to open up effectively even at subsonic speeds. This makes it a standout choice for hunters and shooters who want both quiet operation and effective terminal ballistics.
Ideal Applications
This ammunition excels in a variety of suppressed shooting scenarios. It is particularly popular among hunters pursuing hogs, deer, and predators with suppressed 300 Blackout rifles, where reduced noise helps maintain stealth. It is also an excellent option for home defense setups using suppressed firearms, as well as for recreational shooters who want to enjoy quieter range sessions. The subsonic nature of the load makes it ideal for training new shooters or for use in noise-sensitive environments.
Performance and Reliability
Federal’s Subsonic Expanding ammunition is manufactured to strict quality standards, ensuring consistent velocities, reliable feeding, and dependable expansion. The 190 grain bullet is engineered to provide controlled expansion at subsonic velocities, delivering effective energy transfer on target. Shooters can expect smooth cycling in properly tuned 300 BLK rifles and consistent performance across a wide range of environmental conditions. The combination of Federal’s premium components and specialized subsonic design results in a load that performs reliably shot after shot.
Experience quieter shooting with effective terminal performance using the Federal Subsonic Rifle Ammo 300 BLK 190 gr. Subsonic Expanding. Model F300BMSR3 delivers premium 300 Blackout ammunition specifically designed for suppressed firearms, offering reliable function and expanding bullet performance in a convenient 20-round box.
