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Starline .357 Magnum brass is the kind of component that reloaders reach for without a second thought. These are new, unprimed cases built to tight tolerances, so they drop into your dies, take a primer, and seat a bullet with the kind of consistency that makes a reloading session go smooth. The .357 Magnum is one of the most popular revolver rounds ever built, basically a lengthened .38 Special, and it runs in just about every wheelgun chambering plus a good number of lever-action carbines. Whether you're working up a hot hunting load or putting together mild plinkers for the range, this is a solid starting point.
Starline runs their brass to close production tolerances, holding wall thickness and primer pocket dimensions tight so your priming and seating stays predictable from the first case to the last. In the pistol world especially, folks have run this brass through mild loads and full-house magnum pressures and gotten plenty of reloads out of it before pockets ever loosened up. It takes a small pistol primer, and in most cases it's ready to load straight out of the bag without resizing.
These measure in at roughly 1.275 to 1.285 inches, right in spec for the cartridge. Good practice is to size only as far down as your bullet seats, which helps with case life and keeps things concentric. The brass is clean and uniform enough that you can skip a lot of the fussy prep that off-brand or mixed range pickups demand, which means more time loading and less time babysitting primer pockets.
Starline has earned its reputation the old-fashioned way, by making brass that just works. If you shoot .357 with any regularity, having a bag of fresh, quality cases on the bench is one of those small things that pays off every time you pull the handle on your press.
No. These are new, unprimed brass cases and are strictly a reloading component, not loaded ammunition. You supply your own primer, powder, and bullet to build a finished cartridge. They're set up for a small pistol primer.
In general, new Starline brass does not require resizing before the first load since it's made to spec from the factory. A common tip is to size the case only as far down as your bullet seats to help with concentricity and case life. If any specific prep is needed, Starline typically notes it in the bag.
Case life depends on your load pressure and how you treat the brass, but Starline pistol brass has a strong reputation for lasting many firings. Plenty of handloaders run it through everything from mild target loads to full magnum pressures and get numerous reloads before the primer pockets ever loosen. Keeping charges within published data and sizing correctly will stretch that life even further.
Yes. The .357 Magnum is chambered in a wide range of revolvers and a good number of lever-action carbines, and this brass is the same cartridge case for both. Just be sure you're using load data appropriate for your specific firearm and intended use.
| UPC | 837306003950 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 357MEUP100 |
| Caliber/Gauge | .357 Magnum |
| Length | 1.275"-1.285" |
| Product Type | HANDGUN |
| Quantity | 100 Per Bag |
| Style | Small |
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