Barnes .458 Caliber 500 Grain TSX Flat Base bullets are heavy-for-caliber component projectiles built around Barnes’ Triple-Shock X design. MPN 30622 identifies the .458 caliber, 500-grain TSX Flat Base configuration supplied 20 bullets per box.
The TSX uses monolithic copper construction and multiple precisely engineered grooves in the bullet shank. The grooves reduce bearing surface, pressures and copper fouling while supporting the accuracy, penetration and weight retention associated with the TSX family.
The 500-grain projectile uses a flat-base profile and belongs to the .458 Caliber component-bullet family.
These are component bullets intended for metallic cartridge reloading and are not loaded ammunition. Each box contains 20 projectiles.
Key Features
- Triple-Shock X (TSX) design
- Monolithic copper construction
- Pressure-relief grooves
- Flat-base profile
- .458 caliber projectile
- 500-grain bullet weight
- 20 component bullets per box
Manufacturer Specifications
- Manufacturer: Barnes
- MPN: 30622
- Caliber: .458 Caliber
- Bullet Weight: 500 grains
- Bullet Type: TSX
- Bullet Style: Flat Base
- Construction: Monolithic copper
- Quantity: 20 bullets per box






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