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Remington
Remington 300BLK 220GR Subsonic Ammo is purpose-built for shooters running suppressors who want consistent, quiet performance downrange. Developed in collaboration with AAC, this subsonic rifle ammunition delivers 220-grain bullets at 940 feet per second—staying subsonic across the board so you get the full benefit of your silencer without the sharp crack of supersonic transsonics. Whether you're running a .300 Blackout AR pistol for home defense, doing hog work on the ranch, or punching paper at night shoots where hearing protection matters, this load is engineered to perform predictably every time you pull the trigger.
The design philosophy here is straightforward: keep velocity controlled to eliminate the supersonic signature, and use bullet construction that won't lead your suppressor ports. The Open Tip Flat Base (OTFB) bullets are seated to prevent exposed lead at the heel—a detail that matters if you're running a can regularly and want to keep maintenance straightforward. With a ballistic coefficient of 0.68, these rounds deliver stable flight even at subsonic speeds, giving you better accuracy than you might expect from a slower load.
Each box contains 20 rounds of factory-loaded ammunition ready to go. This isn't exotic or niche—it's solid, dependable subsonic rifle ammo from a name that's been in the business longer than most of us have been shooting. If you're deep into suppressed .300 Blackout and want predictable ballistics and consistent velocity, this is the kind of load that rewards you with quiet, reliable performance.
| Caliber | .300 Blackout |
| Bullet Weight | 220 grains |
| Bullet Type | Open Tip Flat Base (OTFB) |
| Muzzle Velocity | 940 fps |
| Ballistic Coefficient | 0.68 |
| Round Count | 20 |
This load is subsonic by design—the 940 fps muzzle velocity keeps the bullet below the speed of sound regardless of suppressor use. You get the full benefit of a silencer without any supersonic crack, but the ammo itself is engineered to be subsonic as loaded.
The Open Tip Flat Base bullet design is specifically engineered to prevent exposed lead at the heel, which reduces the risk of fouling suppressor ports and baffles. This is a key advantage over some other subsonic loads that can leave lead deposits inside your can over time.
Subsonic .300 Blackout is ideal for suppressed shooting where quiet operation is the goal—home defense, night hog hunting, range work, or any scenario where you want effective performance without the supersonic signature. It's also reliable for target shooting where you want predictable ballistics.
Each box contains 20 rounds.
Remington
Remington 300BLK 220GR Subsonic Ammo is purpose-built for shooters running suppressors who want consistent, quiet performance downrange. Developed in collaboration with AAC, this subsonic rifle ammunition delivers 220-grain bullets at 940 feet per second—staying subsonic across the board so you get the full benefit of your silencer without the sharp crack of supersonic transsonics. Whether you're running a .300 Blackout AR pistol for home defense, doing hog work on the ranch, or punching paper at night shoots where hearing protection matters, this load is engineered to perform predictably every time you pull the trigger.
The design philosophy here is straightforward: keep velocity controlled to eliminate the supersonic signature, and use bullet construction that won't lead your suppressor ports. The Open Tip Flat Base (OTFB) bullets are seated to prevent exposed lead at the heel—a detail that matters if you're running a can regularly and want to keep maintenance straightforward. With a ballistic coefficient of 0.68, these rounds deliver stable flight even at subsonic speeds, giving you better accuracy than you might expect from a slower load.
Each box contains 20 rounds of factory-loaded ammunition ready to go. This isn't exotic or niche—it's solid, dependable subsonic rifle ammo from a name that's been in the business longer than most of us have been shooting. If you're deep into suppressed .300 Blackout and want predictable ballistics and consistent velocity, this is the kind of load that rewards you with quiet, reliable performance.
| Caliber | .300 Blackout |
| Bullet Weight | 220 grains |
| Bullet Type | Open Tip Flat Base (OTFB) |
| Muzzle Velocity | 940 fps |
| Ballistic Coefficient | 0.68 |
| Round Count | 20 |
This load is subsonic by design—the 940 fps muzzle velocity keeps the bullet below the speed of sound regardless of suppressor use. You get the full benefit of a silencer without any supersonic crack, but the ammo itself is engineered to be subsonic as loaded.
The Open Tip Flat Base bullet design is specifically engineered to prevent exposed lead at the heel, which reduces the risk of fouling suppressor ports and baffles. This is a key advantage over some other subsonic loads that can leave lead deposits inside your can over time.
Subsonic .300 Blackout is ideal for suppressed shooting where quiet operation is the goal—home defense, night hog hunting, range work, or any scenario where you want effective performance without the supersonic signature. It's also reliable for target shooting where you want predictable ballistics.
Each box contains 20 rounds.
