Barnes TSX (Triple-Shock X) bullets in .505 Gibbs are solid-copper projectiles intended for handloading large-caliber cartridges. This listing is for the 525-grain flat-base (FB) configuration, packaged 20 per box. TSX construction is engineered to expand consistently while retaining weight, offering dependable terminal performance for big-game handloads. Manufacturer guidance recommends seating from 0.03 to 0.07 inches for best accuracy in compatible rifles.
Key Specifications
- The manufacturer is Barnes.
- The design is TSX (Triple-Shock X), a solid-copper expanding bullet.
- The caliber is .505 Gibbs.
- The nominal diameter is .505 inches.
- The bullet weight is 525 grains.
- The base type is FB (flat base).
- Each package contains 20 bullets.
- Constructed from 100% copper.
- Designed to retain 100% of original weight according to the manufacturer.
- Recommended seating depth for best accuracy is 0.03 to 0.07 inches.
These TSX bullets provide a consistent combination of controlled expansion and high weight retention, making them well suited for reloading .505 Gibbs cartridges where dependable terminal performance is required. Their all-copper construction and flat-base profile support heavy-bullet applications and handloaders seeking reliable, repeatable results in large-caliber loads.
