Description
Winchester built this unprimed .270 brass to deliver what reloaders actually need: consistent results without paying premium prices. Each case is manufactured to tight tolerances that ensure smooth feeding and positive chambering in your rifle. The case-to-case weight and capacity consistency translates to better accuracy when you're working up your loads.
Winchester .270 Brass Prep and Use
These come new and factory-bagged, so you're starting fresh. Before loading, you'll want to straighten the case mouths, debur and chamfer them, and trim to length. Some cases may show a slight stain from the annealing process near the neck, or minor dents below the shoulder from the tumbling operation. These cosmetic marks don't affect how the brass performs and typically disappear after the first firing when the case expands into the chamber.
Durability and Reloading Life
Winchester's durable brass can be reloaded several times, making it a practical choice whether you're loading for hunting or spending range time. The unprimed format lets you select the primers that work best for your loads and your rifle, giving you full control over your ammunition assembly. This is straightforward, no-frills brass that gets the job done.
With 50 cases per bag, you've got what you need to establish your loads and build confidence in your rifle before heading out.
Key Specifications
- Manufacturer: Winchester
- Caliber: .270 Winchester
- Quantity: 50 per bag
- Condition: New, unprimed
- Case Length: 2.540 inches
- Material: Brass
- Firearm Type: Rifle
- MPN: WSC270WU
- UPC: 020892631960
What’s Included
- 50 Winchester .270 Winchester unprimed rifle brass cases
Frequently Asked Questions
Do I need to prep these Winchester .270 cases before loading?
Yes. New brass should be straightened, deburred, chamfered inside and out, and trimmed to length. Run cases partway into your sizer die to straighten the case mouth, then handle the remaining prep work. This is standard procedure for all new rifle brass and takes time but ensures reliable results.
Why is there a slight stain on some case necks?
The pinkish stain comes from the annealing process and doesn't affect performance. Minor cosmetic marks like slightly out-of-round mouths or small dents below the shoulder can occur during manufacturing but are normal. These typically disappear after the first firing and won't impact case life or accuracy.
How many times can I reload these brass cases?
Winchester brass is durable and can be reloaded several times depending on how you load and use it. Proper sizing technique, good primer pocket maintenance, and avoiding over-pressure loads all extend case life. Many reloaders get multiple shots from Winchester brass, making it economical for both hunting and range use.
Does unprimed mean I have to buy primers separately?
Yes. Unprimed cases let you choose the primer type that works for your specific load and rifle. This gives you control over your ammunition assembly and flexibility to match primers to your powder and bullet combination.





Reviews
There are no reviews yet.