.338 | 285gr | Barnes TAC-X

Our reloading data for the .338 | 285gr | Barnes TAC-X bullet covers a total of 7 suitable calibers and 217 load recipes

The Barnes TAC-X bullet is a monolithic, lead-free projectile designed to meet the rigorous demands of tactical and hunting applications. Constructed from solid copper, the TAC-X features a cavity at the tip of the bullet to achieve controlled expansion upon impact, ensuring deeper penetration and consistent terminal performance. Typically recognized for retaining close to 100% of its weight, this bullet excels in both accuracy and terminal ballistics, often expanding reliably at various velocities. The TAC-X is suitable for a wide range of game animals, from medium-sized deer to larger game like elk, depending on the chosen caliber. Popular calibers include .223 Remington, .308 Winchester, and larger magnums. For handloaders, the uniformity of the solid copper construction ensures consistent overall length and ease of seating, aiding in repeatable results. Its all-copper design complies with lead-free hunting regulations while providing reliable expansion and penetration, establishing it as a top choice for hunters seeking ethical and effective results.

About this bullet

.338 | 285gr | Barnes TAC-X is a bullet made by Barnes. At 285 gr (18.5 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 0.585 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. A twist rate of 1:10.5 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 217 load recipes across 7 calibers for this bullet.

Most popular calibers for this bullet

CaliberLoad recipes
.338 Lapua Mag. Ackley Improved114
.338 Lapua Mag.103

Load data for .338 | 285gr | Barnes TAC-X 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.