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The 408 CheyTac is a big, serious cartridge, and the brass you build on it matters just as much as the bullet you seat. Peterson's unprimed 408 CheyTac brass is made right here in the USA on a modern case line that leans on current manufacturing technology to turn out some of the most consistent cases you'll find for this caliber. For anyone stretching things out past a mile, that kind of uniformity is the difference between flyers and tight groups.
Every case runs through a 16-step production and inspection process that gets watched closely from start to finish. The result is brass with consistent wall thickness and tight tolerances, which translates to repeatable case capacity and more predictable velocities across a string. Peterson also puts real focus on hardness values in the head and sidewalls, which is why their ballistician has reported getting as many as 15 reloads from these CheyTac cases without neck splits or head separation. For a cartridge this expensive to feed, getting more firings per case is a genuine win.
The 408 CheyTac, also stamped 10.36×77 on Peterson headstamps, traces back to the .505 Gibbs necked down to .408. It was built for ultra-long-range precision, and the case reflects that with a case length right around 77.21mm, a 10.36mm bullet diameter, and a case capacity near 10.32cc. These ship unprimed and ready for your bench, and they use a large primer pocket. Peterson anneals and final cleans the brass before it leaves the factory, so you're starting with cases that are prepped and uniform right out of the box.
If you're chambered in 408 CheyTac, you already know this is specialist territory. This brass is aimed squarely at precision reloaders and extreme long range competitors who want a dependable, robust case they can push with heavy, high-BC projectiles and come back to load after load. It's the kind of foundation that lets you chase small groups at distances most calibers never reach.
These cases ship unprimed and ready for your reloading process. They use a large primer pocket, so you'll want to source the appropriate primers for your load. Peterson anneals and final cleans the brass before it leaves the factory, so the cases are prepped and uniform out of the box.
Peterson builds these with controlled hardness in the head and sidewalls specifically for case life. Their ballistician has reported getting as many as 15 reloads from these CheyTac cases without sticking, neck splits, or head separation. Real-world results will vary with your load, chamber, and prep habits, but these are made to hold up.
The 408 CheyTac, also designated 10.36×77, started as a .505 Gibbs case necked down to .408 inches. It was developed for ultra-long-range precision and anti-materiel use, which is why it's a favorite among extreme long range shooters. Peterson headstamps typically carry both the imperial and metric designations.
The 50 count box arrives in one of Peterson's plastic ammo boxes. That container protects the cases during shipping and doubles as storage once you've loaded your ammo. It's a practical way to keep your brass organized on the bench.
| UPC | 859449006063 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 40023-R |
| Shipping Weight | 3.3 |
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