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The .45 Winchester Magnum is one of those cartridges you won't find on every shelf, which is exactly why having a reliable brass source matters. This is virgin, unprimed Starline brass built for the round, essentially a lengthened, heavy-duty take on the .45 Auto designed to run at magnum pressures. It's been chambered over the years in guns from Wildey, Magnum Research, L.A.R., and the Thompson/Center Contender, so whether you're feeding a hunting handgun or a single-shot, this is the component to build your loads on.
Starline has spent over 40 years earning a spot near the top of most reloaders' lists, and the pistol brass is where that reputation was built. The cases are drawn in Sedalia, Missouri, with tight control over wall thickness, case weight, and primer pocket depth, so your dies don't fight you and your pressures stay predictable. For a high-pressure round like the .45 Win Mag, that consistency isn't a luxury, it's the difference between loads you can trust and ones you second-guess.
These cases run 1.191 to 1.196 inches in length and take a large pistol primer. They ship unprimed and empty, so you'll supply your own primers, powder, and projectiles. Reloaders routinely report getting multiple cycles out of Starline pistol brass under moderate loads, with primer pockets that stay tight well past the point where cheaper brass gives up.
Starting with new brass means uniform case mouths and clean primer pockets right out of the bag, so your first loading session goes smooth instead of fighting mixed-headstamp range pickups. Inspect, size, and prime as you would any new case, and you're set for a caliber that's tough to find loaded ammo for anyway. For anyone shooting a .45 Win Mag, keeping a supply of quality brass on hand just makes sense.
These ship completely unprimed and empty. You'll need to add your own large pistol primer, powder, and bullet to build a loaded round. That's standard for component brass, giving you full control over your load recipe.
The .45 Winchester Magnum uses a large pistol primer. Since this is a higher-pressure magnum handgun round, stick with your load data when selecting primers and charges to stay in the safe window.
Reloaders commonly get several cycles out of Starline pistol brass under moderate loads, and the primer pockets tend to stay tight longer than budget brass. Hotter loads will shorten case life, so inspect each case for cracks or loose pockets before every reload. Annealing and proper resizing help stretch that lifespan further.
The .45 Winchester Magnum has been chambered in handguns from Wildey, Magnum Research, L.A.R., and the Thompson/Center Contender. It's essentially a stretched, beefed-up version of the .45 Auto built to handle magnum pressures. Since loaded factory ammo can be hard to find, keeping good brass on hand is a smart move for owners of these guns.
| UPC | 810742026165 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 45MAGEUP50 |
| Caliber/Gauge | 45 WIN MAG |
| Length | 1.191"-1.196" |
| Product Type | HANDGUN |
| Quantity | 50 Per Bag |
| Style | Large Magnum |
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