XXL Reloading

.338 | 185gr | Hornady ECX

Our reloading data for the .338 | 185gr | Hornady ECX bullet covers a total of 21 suitable calibers and 788 load recipes

The Hornady ECX bullet is a lead-free, expanding copper alloy projectile engineered for reliable terminal performance and deep penetration. Its sleek, aerodynamic profile ensures high ballistic efficiency, while the distinctive polymer tip enhances accuracy and initiates controlled expansion on impact. Perfect for hunters seeking a non-toxic solution, the ECX bullet is ideal for medium to large game such as deer, antelope, and African plains game, providing excellent energy transfer and consistent results.

About this bullet

.338 | 185gr | Hornady ECX is a bullet made by Hornady. At 185 gr (12.0 g) and a diameter of 0.338'' (8.59 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.377 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. A twist rate of 1:14.5 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 788 load recipes across 21 calibers for this bullet.

Most popular calibers for this bullet

CaliberLoad recipes
.338 Lapua Mag. Ackley Improved142
.33 Nosler138
8.5 x 68 Fanzoj135
.338 Lapua Mag.128
.338 Win Mag.125

Load data for .338 | 185gr | Hornady ECX 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.