300 Blackout 220gr Subsonic Certified Select Ammo – 100 Rounds
- 300 Blackout, 220gr subsonic spire point
- 100 rounds – 100-round bag
- Guaranteed once-fired brass
- Advertised velocity: 1040 fps
Ships within the U.S. only.
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
This 300 Blackout 220gr subsonic spire point load is built for suppressed shooting and comes as 100 rounds. Packaging: 100-round bag. Subsonic loads stay below the speed of sound, which is why shooters pick them for suppressed firearms and low-recoil competition shooting.
Certified Select ammunition is remanufactured rather than factory new. Case details for this listing: guaranteed once-fired brass. It is a lower-cost way to stock up for practice. If you want factory-new brass for a specific purpose, browse the factory-new loads in the same caliber.
Subsonic 300 Blackout is usually paired with a suppressor, and some semi-auto rifles may need gas adjustment to cycle it reliably. Our subsonic ammo guide goes through the basics.
Specifications
| Caliber | 300 Blackout |
|---|---|
| Bullet weight | 220 grain |
| Bullet type | subsonic spire point |
| Round count | 100 |
| Packaging | 100-round bag |
| Product line | Certified Select |
| Case condition | Guaranteed once-fired brass |
| Advertised velocity | 1040 fps |
| Best for | suppressed shooting |
Frequently asked questions
Is this 300 Blackout ammo new or remanufactured?
It is remanufactured. The cases are processed once-fired brass reloaded with new components, and the listing above spells out the exact brass type.
What does subsonic mean?
Subsonic ammunition is loaded to travel slower than the speed of sound, roughly 1,100 feet per second at sea level, so it avoids the supersonic crack. It is usually chosen for suppressed shooting.
Browse more 300 Blackout ammo in our range, or see our bulk ammo for larger quantities. Pack-size alternatives are listed under “You may also like” below.
Ships within the United States only. Laws on buying, shipping and owning ammunition differ by state and locality, so check yours before you order. An adult signature may be required at delivery. See our shipping and state restrictions page.
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