Cartridge comparison
.300 AAC Blackout vs 5.56x45mm NATO
.300 AAC Blackout and 5.56x45mm NATO are both in the reference; see the full spec comparison below.
.300 AAC Blackout1,000 fps
Zero
Velocity only, no drag model: this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.
Open in Ballistic CompareSide by side
| .300 AAC Blackout | 5.56x45mm NATO | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2011 | 1980 |
| Bullet diameter | 0.3079″ | 0.2244″ |
| Case length | 1.3681″ | 1.7598″ |
| Velocity | 1,000 fps | — |
| Energy | 488 ft·lb | — |
| Max pressure | 55,000 psi | 62,000 psi |
| Recoil | 7–10 ft·lb | 3.8–5.5 ft·lb |
| Effective range | 500 yd | 600 yd |
Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.