Description
300 AAC Blackout 220 Grain OTFB Remington T300AAC4BP 20099 200 Rounds
Remington 300 Blackout Subsonic Ammo gives shooters a heavy 220 grain OTFB load for 300 AAC Blackout rifles. This T300AAC4BP bulk pack includes 200 loose-packed rounds for range use and function testing.
Each round uses a 220 grain Open Tip Flat Base bullet, brass case, Boxer primer, and non-corrosive components. Also, the current Remington 220 grain OTFB listing shows a 940 fps subsonic profile.
Key Details
- 220 grain Open Tip Flat Base bullet
- 200-round loose bulk pack
- Brass cases with Boxer primers
- Current listed velocity of 940 fps
Because this is subsonic 300 Blackout ammunition, function can vary by barrel length, gas system, and suppressor setup. Test it in your firearm before buying deeper. Confirm your rifle is chambered for 300 AAC Blackout before ordering, since this cartridge is not interchangeable with 5.56 NATO or .223 Remington. For related options, browse 300 Blackout Ammo, compare Bulk .223 & 5.56 Ammo, or read the 556 vs 300 Blackout Guide. For manufacturer specifications, see the Remington UMC 300 Blackout 220 Grain OTFB product page.
Product Data Table
| Specification | Detail |
|---|---|
| Manufacturer | Remington Ammunition |
| Product Line | UMC Centerfire Rifle |
| Part Number | T300AAC4BP / 20099 |
| Caliber | 300 Blackout / 300 AAC Blackout |
| Bullet Weight | 220 Grain |
| Bullet Type | OTFB – Open Tip Flat Base |
| Quantity | 200 Rounds |
| Pack Type | Loose Bulk Pack |
| Casing | Brass |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Current Listed Velocity | 940 fps |
| Ballistic Coefficient | 0.680 |
| Best Use | Target shooting, suppressed-range use where legal, lawful training |
| Country of Manufacture | United States |





