Federal Premium Ammunition 300 Winchester Magnum 180 Grain Barnes TSX 20RD
- Capacity-Rounds:
- 20
- Caliber-Gauge:
- 300 Winchester Magnum
- Grain:
- 180
- Muzzle Velocity:
- 2960
- Application:
- Hunting
- Muzzle Energy:
- 3502 ft lbs
- HazAir:
- Yes
The Federal Premium 300 Win Mag 180 Grain Barnes TSX Ammo delivers the deep, controlled penetration serious hunters demand when pursuing large game. This 20-round box pairs Federal's precision loading with Barnes' proven all-copper hollow-point design—a combination that has earned respect in the field for reliable performance on elk, moose, and other big-bodied animals where pass-through energy and weight retention matter.
Barnes TSX bullets are machined from solid copper, which gives them a critical advantage: they retain nearly all their original weight after impact, meaning more energy is transferred to the target and less is wasted fragmenting. The hollow-point geometry initiates reliable expansion while the copper construction prevents core-jacket separation—a failure mode that can cost you an animal. Downrange, where accuracy and terminal performance count most, the 300 Win Mag's velocity and energy window is ideal for maximizing what this bullet design can deliver.
Federal Premium ammunition is loaded to exacting standards, so you get consistent velocities and reliable ignition with every round. Whether you're zeroing at the range or executing a hunt, you can trust this load to perform the same way shot after shot. The 300 Win Mag remains one of the most versatile magnum rifle cartridges for distance and power, and pairing it with a premium hunting bullet like the Barnes TSX elevates your odds in the field.
Key Features
- Barnes TSX all-copper hollow-point bullet—retains nearly 100% of weight after impact
- 300 Winchester Magnum chambering for long-range power and penetration
- 180-grain bullet weight suited for large game at extended distances
- 20 rounds per box, Federal Premium quality and consistency
- Proven design for controlled expansion and deep penetration
Specifications
| Caliber | 300 Winchester Magnum |
| Bullet Weight | 180 Grains |
| Bullet Type | Barnes TSX (Solid Copper Hollow-Point) |
| Round Count | 20 |
| Brand | Federal Premium |
Frequently Asked Questions
What game is 300 Win Mag 180-grain ammo suitable for?
The 300 Win Mag with a 180-grain bullet is effective on large game including elk, moose, and other big-bodied species, especially at extended ranges where the cartridge's velocity and energy are most advantageous.
Why does bullet weight retention matter in hunting ammo?
When a bullet retains most of its weight after impact, it penetrates deeper and transfers more energy to the target rather than fragmenting. The Barnes TSX design minimizes weight loss through core-jacket separation, delivering the deep penetration and vital-zone performance hunters rely on.
What's included in this box?
Each box contains 20 rounds of Federal Premium 300 Win Mag ammunition loaded with 180-grain Barnes TSX bullets.
Is this ammo suitable for range shooting as well as hunting?
Yes. Federal Premium ammunition is loaded to consistent standards for reliable ignition and velocity, making it suitable for both sighting-in and range practice as well as hunting.
Ammunition Restrictions:
You must be 18 years or older to purchase shotgun or rifle ammunition, and 21 years or older for handgun ammunition. All ammunition must be shipped via Domestic Ground, and shipping is not available for international residents. Residents of CA, DC, IL, MA, NY, CT, and NJ may be subject to additional restrictions. Always ensure you use the appropriate ammunition for your firearms, and check your state and local laws for any other relevant regulations on firearms and ammunition. Due to Department of Transportation regulations, returns on ammo cannot be accepted. Please verify local laws before placing an order.
We are unable to ship ammunition to the following:
- Hawaii
- Alaska
- P.O. Boxes
- APO/FPO Addresses
- International Addresses
- U.S. Territories
- U.S. addresses with zip codes starting with (100, 101, 102)
Illinois residents must provide a copy of a valid FOID Card or Valid Concealed Carry License, along with their IL driver’s license or IL state identification card to purchase ammunition. The ammunition can only be shipped to an address listed on either of those two documents.
Email: [email protected]

