Federal Fusion ammunition in .300 Winchester Magnum (brand part no. F300WFS3) is built for hunters who need a proven big-game cartridge they can count on. Federal backs this load with the quality control shooters expect from a name they already trust. At the heart of this load is the 180 gr bullet with a Fusion Bonded design, matched to the .300 Winchester Magnum platform shooters already run. In our rifle ammunition lineup, this is the Federal load built for that job.

Key Specifications

• The chambering is .300 Winchester Magnum, a proven big-game cartridge with decades of field results behind it.
• The bullet weighs 180 gr, sized for the terminal performance this load is built around.
• The projectile is a Fusion Bonded design, built to penetrate and transfer energy for a clean, ethical harvest.
• The case is Brass, the standard for reliable extraction and smooth reloading.
• Each box holds 20 rounds, enough to work with before needing to reorder.
• Cases ship 10 boxes to a case, a useful case size for stocking a range or defensive supply.
• Cost works out to about $2.74 per round, affordable enough to shoot as much as you train.
• The box ships at approximately 1.60 lbs, worth knowing before you check out on a multi-box order.
• This is a centerfire cartridge, ignited by a replaceable primer rather than a rimfire priming ring.

Frequently Asked Questions

How many rounds come in a box? Each box holds 20 rounds of .300 Winchester Magnum.

Is the brass reloadable? The case is brass, which handloaders can typically resize and reload for repeat use.

Can I order this by the case? Yes, this load ships 10 boxes to a case for shooters who want to order in bulk.

Buy the Federal Fusion .300 Winchester Magnum 180 gr Fusion Bonded, 20-Round Box

Grab a case if you shoot it regularly, or a box to see how it patterns and cycles through your gun first. Order from our Lubbock, Texas gun shop and it ships fast to your door.