Example simulation — 308 Winchester
illustrativeA sample 308 Winchester starting load, computed by the in-browser internal-ballistics engine. Enter your own load above and press Simulate to replace it with your result.
- Bullet
- Hornady 0.308 190 gr InterLock BTSP
- Powder
- Winchester W760
- Charge
- 37.5 gr
- Barrel
- 22 in
Muzzle velocity2,058 fps
Peak chamber pressure (interval, ±10% burn-rate)25,402 – 34,495 – 44,838 psinominal is 56% of the 62,000 psi maximum average pressure
Illustrative example — every figure here is an estimate and can be wrong. Always consult a current published loading manual, and never trust these numbers on their own.