Magtech 300 Blackout 200gr FMJ Subsonic 300BLKSUBA 50 Rounds
Magtech 300BLKSUBA is 300 Blackout ammunition loaded with a 200 grain Full Metal Jacket Subsonic projectile. Magtech's current ballistic data lists a muzzle velocity of 1017 FPS and muzzle energy of 459 ft-lbs from a 16-inch test barrel.
The heavy 200 grain projectile is specifically configured for subsonic performance. Magtech states that its Subsonic ammunition is designed to operate below the speed of sound and that projectile weight and design are optimized for reliability in suppressed firearms.
With a manufacturer-listed ballistic coefficient of .560, 300BLKSUBA provides a dedicated factory subsonic option for range training, recreational shooting and suppressed 300 Blackout firearms. Each box contains 50 rounds of factory-loaded ammunition.
Best Uses
- Suppressed 300 Blackout shooting
- Range training
- Target shooting
- Recreational shooting
- Shooters seeking a heavy 200 grain subsonic FMJ load
Ammo Specifications
| Manufacturer |
Magtech |
| Product Line |
Subsonic |
| Manufacturer SKU |
300BLKSUBA |
| Top Gun Ammo Part Number |
MAG300BLKSUBA |
| Caliber |
300 Blackout / 300 AAC Blackout |
| Bullet Weight |
200 Grain |
| Bullet Type |
FMJ Subsonic |
| Muzzle Velocity |
1017 FPS |
| Muzzle Energy |
459 ft-lbs |
| Ballistic Coefficient |
0.560 |
| Test Barrel Length |
16 Inches |
| Rounds Per Box |
50 |
Why Choose Magtech 300BLKSUBA?
Magtech 300BLKSUBA combines a heavy 200 grain FMJ projectile with a manufacturer-rated velocity of 1017 FPS. The load is purpose-built for subsonic use rather than simply being a conventional projectile that happens to travel below the speed of sound.
Magtech's current catalog specifically identifies the projectile as FMJ Subsonic and lists 623 joules, or 459 ft-lbs, of muzzle energy. The company also identifies suppressed firearms and training as intended applications for its Subsonic ammunition.
Actual velocity can vary with barrel length, firearm configuration and environmental conditions. Magtech's published 1017 FPS specification is based on a 16-inch test barrel.
Shop more rifle ammo or browse our complete selection of 300 Blackout ammo at Top Gun Ammo.
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Frequently Asked Questions
Is Magtech 300BLKSUBA subsonic?
Yes. Magtech identifies 300BLKSUBA as FMJ Subsonic ammunition and lists a muzzle velocity of 1017 FPS from a 16-inch test barrel.
What bullet does Magtech 300BLKSUBA use?
Magtech 300BLKSUBA uses a 200 grain Full Metal Jacket Subsonic projectile.
What is the muzzle velocity of Magtech 300 Blackout 200gr Subsonic?
Magtech's current ballistic data lists 300BLKSUBA at 1017 FPS from a 16-inch test barrel.
What is the muzzle energy of Magtech 300BLKSUBA?
Magtech lists 459 ft-lbs, or 623 joules, of muzzle energy for the 200 grain 300BLKSUBA load.
What is the ballistic coefficient of Magtech 300BLKSUBA?
Magtech lists a ballistic coefficient of 0.560 for its 200 grain 300 Blackout FMJ Subsonic projectile.
Is Magtech 300BLKSUBA designed for suppressed shooting?
Yes. Magtech states that its Subsonic ammunition is designed to operate below the speed of sound and that projectile weight and design are optimized for reliability in suppressed firearms.
Is Magtech 300BLKSUBA intended for training?
Yes. Magtech identifies training as one of the intended applications for its Subsonic ammunition.
How many rounds come in a box of Magtech 300BLKSUBA?
Magtech 300BLKSUBA is packaged with 50 rounds per box.
