Federal Premium .300 Winchester Magnum ammunition loaded with the 165-grain Barnes Triple-Shock X (TSX) bullet is intended for precision and consistent terminal performance in appropriate rifle platforms. The load uses premium primers, clean-burning propellants, and nickel-plated brass cases to support reliable ignition and corrosion resistance. This offering is packaged as 20 rounds per box and is commonly used for hunting and long-range shooting applications.
Box: Sold per box of 20 rounds.
Case: Case quantity is achieved by ordering 10 boxes per case (200 rounds total); select the required number of boxes to reach a case quantity.
Key Specifications
- The caliber is .300 Winchester Magnum.
- The bullet weight is 165 gr.
- The bullet type is Barnes Triple-Shock X (TSX).
- The listed muzzle velocity is 3050 fps.
- The listed muzzle energy is 3408 ft lbs.
- Each box contains 20 rounds.
- There are 10 boxes per case.
- The cartridge cases are nickel-plated brass.
- The intended application is Hunting.
- The provided ballistic coefficient is 0.398.
Federal Premium’s P300WR load combines consistent components and the one-piece Barnes TSX bullet to offer repeatable external ballistics and high retained weight at impact for legitimate field use. Packaged in convenient 20-round boxes with nickel-plated brass, this load is suited to shooters who prioritize measured performance and quality components in a .300 Win Mag offering.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




