About this bullet
.401 | 180gr | H&N HP HS is a bullet made by H&N. At 180 gr (11.7 g) and a diameter of 0.401'' (10.19 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.145 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. We currently list 137 load recipes across 3 calibers for this bullet.
Most popular calibers for this bullet
| Caliber | Load recipes |
|---|---|
| 10 mm FAR | 137 |
Load data for .401 | 180gr | H&N HP HS bullet is available in the following calibers:
Safety notes
All load data is reference data only. Always start at the minimum charge and work up in small steps while watching for pressure signs. Never exceed the maximum charge published by the powder or bullet manufacturer.