Federal Premium .243 Winchester 85 grain Barnes TSX ammunition is built for hunting applications where deep penetration and reliable expansion are priorities. The TSX is a one-piece, all-copper design that retains nearly 100 percent of its weight on impact and minimizes barrel fouling. This loading is offered in 20-round boxes with nickel-plated brass cases and a listed muzzle velocity of approximately 3200 fps.
Key Specifications
- Caliber is .243 Winchester for medium-game hunting applications.
- Bullet weight is 85 gr delivered in a monolithic design.
- Bullet type is Barnes TSX (Triple-Shock X) with a deep hollow-point tip.
- Muzzle velocity is listed as 3200 fps.
- Muzzle energy is listed as 1933 ft lbs.
- Rounds per box are 20.
- Boxes per case are 10.
- Case material is nickel-plated brass to resist corrosion and aid extraction.
- Application is specified as Hunting.
Engineered for consistent ignition, reliable feeding, and long-range accuracy, this Federal Premium .243 Win load combines clean-burning powders, precision-built cases, and a monolithic TSX bullet for dependable field performance. The Barnes TSX design emphasizes controlled expansion and high weight retention, making it a solid choice for hunters who prioritize deep penetration and consistent terminal results.





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