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Peterson Cartridge built its reputation on one thing: brass that lets you chase consistency without fighting your components first. This unprimed .270 Winchester brass is drawn to match-grade standards, meaning tight control over wall thickness, concentricity, and primer pocket dimensions. The .270 Win has been one of the most beloved .277-caliber hunting rounds for close to a century, and Peterson's casings give handloaders a premium foundation to build accurate loads on.
These cases ship annealed and cleaned straight from the factory, so a lot of the usual prep work is already handled before the box reaches your bench. Reloaders consistently point out how uniform the brass runs lot to lot, with neck thickness and case weights tight enough that many skip weight sorting altogether. The .270 Winchester takes a large rifle primer, and Peterson is known for cutting pockets slightly snug out of the gate so they settle into spec after the first firing and hold tight through a long string of reloads.
Since these come unprimed, you're supplying your own primers, powder, and .277 bullets to tailor loads to your rifle. A quick chamfer and deburr of the case mouths is about all most folks need before priming. Treat the brass right with regular annealing and you can expect plenty of firings per case, which is a big part of why competitive and hunting reloaders keep coming back to it.
Made in the USA by a family-owned company that focuses solely on brass, Peterson casings are a smart match for anyone running a .270 bolt gun who wants repeatable results downrange. Each box arrives in a sturdy reusable plastic ammo box that keeps everything organized and protected on the trip to the range.
No, these cases ship unprimed. You supply your own large rifle primers, powder, and .277 bullets to build loads tuned to your rifle. That makes them a true reloading component rather than loaded ammunition.
Peterson anneals and cleans the brass at the factory, so the heavy lifting is mostly done. Most reloaders just chamfer and deburr the case mouths and then move straight to priming. Many report the lot-to-lot consistency is tight enough that weight sorting isn't necessary.
The .270 Winchester is a large rifle primer cartridge, and this Peterson brass is cut for standard large rifle primers. Peterson intentionally runs its primer pockets slightly snug so they seat to spec after the first firing and stay tight through repeated reloads.
Case life depends on your load pressures and how you care for the brass, but Peterson casings are known for holding up through many firings. With regular annealing and sensible loads, reloaders routinely get well into the double digits before pockets start to loosen.
| UPC | 850005375678 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 40010-R |
| Caliber/Gauge | .270 Winchester |
| Length | 5.6500 |
| Quantity | 50 |
| Shipping Weight | 1.85 |
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