Federal Premium Barnes TSX .300 WSM 180gr ammunition (Federal part no. P300WSMF) loads the proven all-copper Barnes Triple-Shock X into the .300 Winchester Short Magnum. Federal says the hollow point groups tightly at long range and delivers consistent, large-diameter expansion. The monolithic design retains nearly 100 percent of its weight on impact for deep penetration. Muzzle velocity is 2980 fps, with 3549 ft-lbs of energy. The box holds 20 rounds.

Key Specifications

• The chambering is .300 Winchester Short Magnum (WSM), a short-action magnum that Federal labels 300 WSM, built for flat-shooting big game loads.
• Bullet weight is 180 grains, a published figure that helps you match the load to your rifle or handgun.
• The bullet is the Barnes Triple-Shock X (TSX), the design Federal specifies for this load.
• Federal rates muzzle velocity at 2980 fps, which sets the starting point for drop and wind drift.
• Muzzle energy is 3549 ft-lbs, the energy figure hunters use to gauge a load’s reach.
• Each box holds 20 rounds, a standard count for range sessions and hunting seasons.
• The ballistic coefficient is .453, a measure of how well the bullet resists drag in flight.
• Bullet length is 1.389 inches, a dimension to check against your rifle’s twist and magazine.
• The bullet is one-piece copper, retaining nearly 100 percent of its weight on impact.
• A deep hollow-point tip produces large, consistent expansion.

Frequently Asked Questions

What does the Barnes TSX bullet do on impact? Federal says it retains nearly 100 percent of its weight and delivers deep penetration and large, consistent expansion.

What velocity does Federal list for this load? Federal lists 2980 fps at the muzzle and 2381 fps at 300 yards.

How many rounds are in the box? Each box contains 20 rounds.

Buy the Federal Premium Barnes TSX .300 Winchester Short Magnum (WSM) 180gr Rifle Ammunition, 20-Round Box

Short-action rifles chambered in .300 WSM get an all-copper bullet that holds its weight and opens wide. At 2980 fps with a Barnes TSX, the load is aimed squarely at big game. Browse more rifle ammunition from Federal and order from our Lubbock, Texas gun shop for fast, insured shipping.