Federal Premium Barnes TSX .300 Win Mag 180gr ammunition (Federal part no. P300WP) loads the proven Barnes Triple-Shock X bullet in a 180-grain weight. This all-copper hollow point groups tightly at long range and delivers consistent, large-diameter expansion, according to Federal. Its monolithic design retains nearly 100 percent of its weight on impact. The muzzle velocity is 2960 fps with 3502 ft-lbs of energy. Each box holds 20 rounds.

Key Specifications

• The chambering is .300 Winchester Magnum, a belted magnum built for flat-shooting big game and long-range hunting.
• Bullet weight is 180 grains, setting the balance of momentum and trajectory this load is built around.
• The bullet is the Barnes Triple-Shock X (TSX), the design Federal specifies for this load.
• Federal rates muzzle velocity at 2960 fps, which sets the starting point for drop and wind drift.
• Muzzle energy is 3502 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, a monolithic design that retains nearly 100 percent of its weight.
• A deep hollow-point tip opens to large, consistent expansion.

Frequently Asked Questions

Is the Barnes TSX bullet lead core or all copper? It is all copper, a one-piece monolithic design that retains almost 100 percent of its weight on impact.

Does the grooved shank help anything? Federal says the grooved shank improves accuracy and minimizes barrel fouling.

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

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

A monolithic copper bullet that holds nearly all its weight is a strong match for big animals and long shots. The Barnes TSX gives .300 Win Mag shooters deep penetration and wide, consistent expansion from a 2960 fps load. Browse more rifle ammunition from Federal and order from our Lubbock, Texas gun shop for fast, insured shipping.