Ammo Reports Team
| Official Spec | Value |
|---|---|
| Manufacturer | Winchester |
| Cartridge | 300 Blackout |
| Product Line | USA |
| Bullet Name / Type | Full Metal Jacket |
| Bullet Weight | 147 gr |
| SKU / Part Number | USA300B147 |
| UPC | 020892231030 (Retailer Listed) |
| Rounds per Box | 20 |
| Muzzle Velocity | 1920 fps |
| Muzzle Energy | 1203 ft-lbs |
| Ballistic Coefficient G1 | Not found |
| Ballistic Coefficient G7 | Not found |
| Case Material | Not found |
| Primer | Not found |
| Reloadable | Not found |
| Test Barrel Length | Not found |
| Zero Distance | Not found |
| Sight Height | Not found |
| Intended Use | Target shooting, range training, and general practice |
| Product Status | Current product listing verified |
| Closest Competitors | Hornady Black 300 BLK 147 gr FMJ-BT, Federal American Eagle 300 BLK 150 gr FMJ-BT, Magtech 300 BLK 147 gr FMJ, Sellier & Bellot 300 BLK 147 gr FMJ, PMC Bronze 300 BLK 147 gr FMJ |
Data is based on official manufacturer sources. Found an error? Send us the source link.
Manufacturer: Winchester. Exact official product pages and technical documents are recorded in the editorial verification log. Any retailer-listed field is labeled.
Ballistics Table
| Yards | Velocity (fps) | Energy (ft-lbs) | Trajectory (in) |
|---|---|---|---|
| Muzzle | 1920 | 1203 | – |
| 100 | – | – | – |
| 200 | – | – | – |
| 300 | – | – | – |
| 400 | – | – | – |
| 500 | – | – | – |
Official-data note: Winchester’s verified product material provides muzzle velocity, energy, bullet weight, type, and box size. A complete exact-load distance table was not available, so estimates are omitted.
Key takeaway: Winchester lists USA300B147 as a 147 gr FMJ load in a 20-round box, with 1920 fps and 1203 ft-lbs at the muzzle.
Related 300 Blackout factory loads on Ammo Reports: Federal American Eagle 150 Gr FMJ, Sellier & Bellot 147 Gr FMJ, and Hornady Subsonic 190 Gr Sub-X.
Best Uses
Good fit:
- Plinking and high-volume range sessions where per-round cost matters
- Zeroing and andfunction-checking AR-platform rifles chambered in 300 BLK
- Training drills that mirror the weight and recoil impulse of heavier defensive loads
- Suppressor-host rifles where supersonic 147 gr provides a distinct performance tier from subsonic loads
- Confirming reliable cycling in gas-impingement and piston-driven 300 BLK builds
Not the right tool for:
- Hunting applications that call for a controlled-expansion bullet; verify the applicable regulations before use
- Subsonic suppressor applications — at 1,920 fps this load is well above the sound barrier; users seeking hearing-safe unsuppressed performance need a dedicated subsonic load
- Long-range precision work — the 300 Blackout cartridge loses energy rapidly past 300 yards and was not designed for extended-range accuracy competition
- Jurisdictions with lead-core FMJ restrictions on public or wildlife-area ranges
Reliability Notes
No structured submissions yet.
Winchester markets the USA white-box line for target and range use. Case material, primer type, and dimensional tolerances were not found in the verified official listing for symbol USA300B147. No Ammo Reports structured function submissions were available at the time of review, so reliability claims are not presented as independently verified data.
Competitors
This is the full comparison set preserved from the article’s existing competitor list. A link is added only when an exact Published review exists on Ammo Reports. Unverified competitor fields are labeled accordingly.
| Competitor | Bullet Type | Weight | Muzzle Velocity | Primary Use |
|---|---|---|---|---|
| Hornady Black 300 BLK 147 gr FMJ-BT | FMJ Boat Tail – Not verified | 147 gr – Not verified | Not verified | Not verified |
| Federal American Eagle 300 BLK 150 gr FMJ-BT | Full Metal Jacket Boat-Tail | 150 gr | 1900 fps | Competition, target shooting, and training |
| Magtech 300 BLK 147 gr FMJ | FMJ – Not verified | 147 gr – Not verified | Not verified | Not verified |
| Sellier & Bellot 300 BLK 147 gr FMJ | Full Metal Jacket | 147 gr | 2077 fps | Range, match, competition, and training |
| PMC Bronze 300 BLK 147 gr FMJ | FMJ – Not verified | 147 gr – Not verified | Not verified | Not verified |
Price Reality
Retail prices and availability change. Compare the current store listings below and verify SKU USA300B147 and the exact 20-round package before purchase. Price is not used to determine the technical data or editorial conclusion.
Where to Buy
Affiliate links. These do not influence ratings, data, or any editorial content on this page.
FAQ
What is the Winchester symbol?
The product symbol is USA300B147.
What muzzle velocity is published?
Winchester lists 1,920 fps.
What muzzle energy is published?
Winchester lists 1,203 ft-lbs.
How many rounds are in a box?
Winchester lists 20 rounds.
Why are downrange cells blank?
A complete exact-load manufacturer table was not available, so Ammo Reports does not substitute estimates.
