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The Hornady American Whitetail line is purpose-built for hunters who need a round that works in the field without complications. This .300 WSM load pairs a 165-grain InterLock bullet with quality brass, clean-burning powder, and premium primers to deliver the kind of consistent performance that matters when your moment comes.
The InterLock bullet's key advantage is mechanical simplicity. An internal ring embedded in the lead core locks the jacket in place as the bullet expands, preventing core and jacket separation. This means more consistent expansion, better energy transfer, and deeper penetration compared to traditional soft-points. The exposed lead tip initiates expansion reliably, while the strategically weakened upper jacket section controls how fast that expansion happens. You get a bullet that performs consistently across a range of impact velocities and angles.
This ammunition runs at conventional velocities rather than maximum pressures, which matters for both reliability and compatibility. The .300 WSM 165-grain load runs at 3,130 fps with 3,589 foot-pounds of muzzle energy. That velocity stays compatible with semi-automatic rifles while still delivering more than enough power for whitetail and similar-sized game at typical hunting distances. The powder charge is matched specifically to this load for pressure consistency from shot to shot.
Every round uses Hornady's choice of brass cases, boxer primers, and clean-burning powders. The brass is reloadable for folks who want to reload, and the non-corrosive design means these cartridges stay reliable through long storage. Twenty rounds per box keeps you equipped for hunting season without unnecessary bulk.
Hornady specifies that InterLock bullets require approximately 1,800 feet per second terminal velocity to guarantee expansion. The 165-grain .300 WSM load leaves the muzzle at 3,130 fps, so you'll have reliable expansion well beyond typical hunting ranges. This velocity threshold is rarely an issue with magnum cartridges like the .300 WSM, particularly at moderate hunting distances.
Yes. This ammunition is specifically loaded to conventional velocities and pressure levels to ensure reliable function in both bolt-action and semi-automatic actions. The powder and primer are selected to deliver consistent performance across different rifle designs without creating feeding or cycling issues.
Yes, the brass cases are reloadable. They use standard Boxer primers, which means you can decap and reprime them using standard reloading equipment. The non-corrosive design also means the brass will remain in good condition if stored properly.
InterLock bullets use a mechanical locking system to keep the jacket and core together, while bonded-core bullets weld them chemically. The InterLock delivers solid performance across a wide range of velocities and has a track record going back decades. It typically retains 70-80 percent of its weight during expansion, providing deep penetration without the premium cost of modern bonded designs.
| Caliber/Gauge | .300 Winchester Short Magnum (WSM) |
|---|---|
| Case Material | Brass |
| Cost per Round | 1.75 |
| Grains | 165Gr |
| Length | 6.5000 |
| Manufacturer | |
| Manufacturer Part Number | 82204 |
| Model | |
| Product Type | InterLock |
| Shipping Weight | 1.515 |
| Units per Box | 20 |
| UPC | 090255822045 |
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