Description
300 Blackout subsonic ammo from Magtech gives rifle shooters a heavy 200-grain FMJ load in a bulk 1,000-round case. Each 300BLKSUBA round uses a 200-grain FMJ Subsonic bullet with brass casing and Magtech’s range-focused rifle ammunition construction.
Magtech lists this load at 1,017 fps with 459 ft-lbs of muzzle energy from a 16-inch test barrel. The heavy-for-caliber FMJ projectile and subsonic velocity make it a practical option for target shooting, range training, and suppressed-firearm range use where legal.
Each case includes 20 boxes of 50 rounds, making it easy to stock one consistent practice load for multiple range sessions. The brass cases also add value for shooters who save reloadable brass after practice.
Compared with supersonic 123-grain or 150-grain .300 Blackout FMJ loads, this Magtech 300BLKSUBA option gives buyers a heavier bullet at lower listed velocity. For related options, browse 300 AAC Blackout Ammo, Bulk Rifle Ammo, and Magtech Ammo.
Key Features:
- Caliber: .300 AAC Blackout / 300 Blackout
- Bullet Weight: 200 Grain
- Bullet Type: FMJ Subsonic
- Manufacturer: Magtech
- Manufacturer SKU: 300BLKSUBA
- UPC, 1,000-Round Case: 754908210503
- UPC, 50-Round Box: 754908210510
- Case Type: Brass
- Muzzle Velocity: 1,017 fps
- Muzzle Energy: 459 ft-lbs
- Test Barrel: 16 inches
- Quantity: 1,000 Rounds
- Packaging: 20 boxes of 50 rounds
- Best Use: Target shooting, range training, suppressed-firearm range use where legal
Product Specifications:
| Specification | Details |
|---|---|
| Product Name | 300 AAC Blackout – 200 gr FMJ Subsonic – Magtech 300BLKSUBA – 1000 Rounds |
| Caliber | .300 AAC Blackout / 300 Blackout |
| Manufacturer | Magtech |
| Manufacturer SKU | 300BLKSUBA |
| UPC, 1,000-Round Case | 754908210503 |
| UPC, 50-Round Box | 754908210510 |
| Bullet Weight | 200 Grain |
| Bullet Type | FMJ Subsonic |
| Case Type | Brass |
| Muzzle Velocity | 1,017 fps |
| Muzzle Energy | 459 ft-lbs |
| Test Barrel | 16 inches |
| Box Quantity | 50 rounds |
| Case Quantity | 1,000 rounds |
| Case Packaging | 20 boxes of 50 rounds |
| Best Use | Target shooting, range training, suppressed-firearm range use where legal |
| Buyer Note | This is FMJ subsonic range ammunition, not expanding hunting ammunition |
| Function Note | Subsonic sound level and cycling can vary by barrel length, suppressor setup, gas system, and firearm configuration |
