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The .223 Winchester Super Short Magnum is a fast, fat little round that pushes a .224 bullet way past standard .223 Remington velocities, and that kind of performance lives and dies on good brass. Hornady builds these new, unprimed cases with the same attention to detail that goes into the brass behind their loaded ammunition, so you get a clean starting point for building loads that shoot where you're looking.
Hornady runs these cases for tight wall concentricity and consistent wall thickness, which translates to smoother bullet seating and more uniform pressures shot to shot. They're also pressure calibration tested to help ensure even case expansion when fired. For a short, high-pressure magnum like the WSSM, that consistency matters, since small differences in case capacity show up fast on the target.
This is a large rifle primer cartridge with a rebated rim on a shortened WSM-style case, so if you've only loaded standard .223 Rem before, expect a different animal on the press. Trim-to length typically runs around 1.660 inches, and published data from the major powder makers covers a wide spread of bullet weights from light varmint pills in the 35 to 40 grain range up to 60 and 75 grain projectiles. Always start low and work up using current load data for your rifle.
The WSSM earned its reputation as a flat-shooting varmint and predator round, delivering a serious velocity bump over the .223 Rem and even edging past the .22-250 with lighter bullets. If you run a Browning A-Bolt or similar rifle chambered for it, keeping a steady supply of quality brass on the bench is the smart move, since this isn't a cartridge you'll find brass for on every shelf. New, unprimed, and ready for your powder and primer of choice.
These are brand new, unprimed cases straight from Hornady, not once-fired or reconditioned brass. They've never been loaded or shot, so you're starting with a fresh, consistent foundation. Just add your primer, powder, and bullet of choice.
The .223 WSSM uses a Large Rifle primer, not the Small Rifle primer you'd find on standard .223 Remington brass. This trips up folks coming over from the .223 Rem, so it's worth noting before you set up your press. Check current published load data for the right primer, powder, and charge for your rifle.
Hornady does a good deal of the prep work at the factory, and many reloaders find these cases close to ready out of the box. That said, it's always good practice to check case length against your load data and trim as needed, along with your normal inspection routine. On new brass you may notice a slight bell at the case mouth or minor anneal staining, which is normal.
The Super Short Magnum is a flat-shooting varmint and predator cartridge that pushes lighter .224 bullets at impressive velocity, noticeably faster than the standard .223 Remington. It shines on longer-range varmint and coyote work. Since factory brass for it isn't always easy to find, keeping a box or two on hand is a good idea if you shoot this chambering.
| UPC | 090255486179 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 8617 |
| Caliber/Gauge | .223 WSSM |
| Length | 4.5500 |
| Quantity | 50 |
| Shipping Weight | 1.65 |
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