Federal Premium Ammunition 300 Winchester Short Magnum (WSM) 165 Grain Barnes TSX 20RD
- Capacity-Rounds:
- 20
- Style:
- Triple-Shock X
- Caliber-Gauge:
- 300 Winchester Short Magnum
- Grain:
- 165
- Muzzle Velocity:
- 3130
- Application:
- Hunting
- Muzzle Energy:
- 3589 ft lbs
- HazAir:
- Yes
Federal Premium's 300 WSM with 165-grain Barnes TSX ammunition delivers the stopping power and precision long-range hunters and tactical shooters demand. The all-copper, monolithic bullet design is engineered for deep penetration and reliable expansion, making it a proven choice for hunting medium to large game where consistent terminal performance matters.
The Barnes TSX bullet's deep hollow-point tip initiates rapid, uniform expansion while the grooved shank design reduces barrel fouling and tightens shot grouping downrange. With nearly complete weight retention on impact, this round penetrates deep through heavy bone and muscle, ensuring your shot counts. At 3130 feet per second muzzle velocity and a ballistic coefficient of .398, Federal Premium 300 WSM ammunition delivers the velocity and aerodynamic stability needed for extended-range accuracy.
Federal backs this ammunition with conservation commitment—a portion of sales support the Rocky Mountain Elk Foundation's habitat and wildlife work. The 20-round box fits standard ammo storage and provides plenty of practice and hunting rounds.
Key Features
- Barnes TSX all-copper monolithic bullet for deep penetration and consistent expansion
- Deep hollow-point tip design for rapid, large-diameter wound channels
- Grooved bullet shank minimizes barrel fouling and improves accuracy
- Nearly 100 percent weight retention for deep, reliable penetration
- 3130 fps muzzle velocity optimized for 300 WSM performance
- Ballistic coefficient of .398 for stable flight and retained velocity at distance
Specifications
| Caliber | 300 Winchester Short Magnum (300 WSM) |
| Bullet Weight | 165 grains |
| Bullet Type | Barnes Triple-Shock X (TSX) — all-copper hollow point |
| Muzzle Velocity | 3130 fps |
| Ballistic Coefficient | .398 |
| Bullet Length | 1.301 inches (33.045 mm) |
| Package Quantity | 20 rounds |
Frequently Asked Questions
What is 300 WSM ammunition best used for?
300 Winchester Short Magnum is a versatile cartridge favored by hunters pursuing medium to large game at extended range. The 165-grain TSX load balances velocity and penetration for deer, elk, and similar game at distances where precision and terminal reliability are critical.
How does the Barnes TSX bullet perform on game?
The TSX's all-copper construction and grooved shank design deliver nearly complete weight retention and uniform expansion. The deep hollow-point tip creates large wound channels while penetrating deeply through heavy bone and muscle, making it a proven choice for clean, ethical harvests.
What's included in the box?
Each box contains 20 rounds of Federal Premium 300 WSM ammunition loaded with 165-grain Barnes TSX bullets.
Does Federal Premium support conservation?
Yes—a portion of the proceeds from each sale of this ammunition supports the Rocky Mountain Elk Foundation's conservation and habitat work.
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]

