300 BLACKOUT SUBSONIC AMMO for Sale
Browse 300 Blackout Subsonic Ammo listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
300 Blackout subsonic ammo was developed in the early 2010s to provide effective suppressed fire with heavy bullets. Its design focuses on delivering reliable terminal performance at subsonic speeds. This round is popular for tactical, hunting, and suppressed shooting applications.
Why It's a Top Choice
- Optimized for reliable subsonic performance
- Compatible with standard AR-15 platforms
- Excellent for suppressed firearm use
- Heavy bullet weight improves terminal impact
- Reduced recoil and noise signature
Key Variants
300 Blackout 220gr Subsonic
Ideal for maximum sound suppression with a heavy bullet suited to hunting and tactical roles.
300 Blackout 190gr Subsonic
A balanced subsonic load offering good terminal performance and suppressed use.
300 Blackout 240gr Subsonic
Heaviest common subsonic load for penetrating power at close ranges under suppression.
Competitor Comparison Table
| Feature | 300 Blackout Subsonic Ammo | 6.5 Grendel | 7.62x39 |
|---|---|---|---|
| Typical Bullet Weight (gr) | 190-240 (subsonic) | 90-130 | 122-154 |
| Velocity (fps) | ~1050 (subsonic) | 2400+ | 2300+ |
| Effective Range (yds) | 200 max | 700+ | 300-400 |
| Suppressor Compatibility | Optimized | Partial | Limited |
| Notable Pro | Perfect subsonic AR-15 option | Long-range accuracy | Widespread availability |
| Notable Con | Limited supersonic options | Higher recoil | Less precise |
Best Use Cases
- Suppressed tactical operations
- Close to medium-range hunting
- Self-defense in quiet settings
- Range training at moderate distances
- Specialized precision shooting
FAQs
Can I use 300 Blackout subsonic ammo in any AR-15?
Yes, 300 Blackout subsonic rounds function reliably in AR-15 rifles with a properly chambered barrel and bolt designed for .300 AAC Blackout.
What is the main benefit of subsonic 300 Blackout ammo?
Its subsonic velocity reduces noise and recoil, making it ideal for suppressed firearms without sacrificing terminal effectiveness.
How does 300 Blackout subsonic ammo compare to supersonic?
Subsonic ammo travels below the speed of sound (~1050 fps), reducing noise; supersonic rounds exceed this speed, offering longer range but louder report.
Prefer nearby results? Toggle to search local listings.
Henry .300 blackout (H023-300)
$1,299.99
Henry Lever Action Supreme, .300 Blackou
$1,149.99
CVA Cascade .300 Blackout (CR3914R)
$774.99
Sign up for our newsletter
Frequently asked questions
What types of firearms does GunsAmerica offer online?
Are there any restrictions to buying legal firearms from GunsAmerica?
What are some of the best firearm companies available at GunsAmerica?
Can I sell my firearm to GunsAmerica?
How does GunsAmerica handle firearm shipping and transfers?
Who We Are
About
From the latest advancements in firearm technology to trusted essentials, GunsAmerica offers a comprehensive selection of gun accessories designed to enhance performance, reliability, and safety. Whether you need precision optics, durable stocks, high-capacity magazines, suppressors, or muzzle devices, our marketplace provides everything required to maintain, upgrade, and customize your firearms. We feature products from leading manufacturers, ensuring superior quality and compatibility across all firearm platforms. Our extensive inventory is built to support every shooter’s needs, from tactical applications and competitive shooting to hunting and everyday carry. At GunsAmerica, we are committed to delivering a seamless, secure shopping experience with competitive pricing, making it easier than ever to find the right accessories to optimize your firearms for any mission or environment.