.401 | 180gr | Geco FMJ FLAT NOSE

About this bullet

.401 | 180gr | Geco FMJ FLAT NOSE is a bullet made by Geco. 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 0.109 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. We currently list 204 load recipes across 6 calibers for this bullet.

Most popular calibers for this bullet

Load data for .401 | 180gr | Geco FMJ FLAT NOSE bullet is available in the following calibers:

• .38-40 Win.
• .40 S&W
• .400 Cor-Bon
• 10 mm Auto (CIP)
• 10 mm Auto (SAAMI)
• 10 mm FAR

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.