Product Description
Starline Brass Unprimed Cases in .300 Blackout are quality rifle brass cases designed for dependable case prep and consistent handloading results. The .300 Blackout cartridge is based on a shortened 5.56x45mm case necked to .30 caliber, making it a popular option for AR-15 platform rifles and pistols with a barrel change. These unprimed brass cases come in a convenient 100-count bag and are well-suited for applications ranging from general-purpose loads to subsonic use in suppressed firearms.
Product Highlights
- Unprimed .300 Blackout rifle brass cases for reloading and load development
- 100-count bag provides an efficient quantity for batch case prep
- Brass construction for durability and consistent performance
- Designed for .300 Blackout platforms including AR-15 builds (barrel change from 5.56)
- Small rifle primer compatible (per retailer-published specification)
Specs
- Cartridge/Caliber: .300 Blackout (also referenced as .300 AAC Blackout)
- Case Type: Unprimed
- Material: Brass
- Primer Compatibility: Small rifle primer
- Quantity: 100 cases per bag
- Intended Use: Reloading component (not loaded ammunition)
- Country of Manufacture: USA
- Manufacturer Part Number: 300BLKEUP100
- UPC: 810742022679
- Brand: Starline Brass
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