Nosler Unprimed Brass Rifle Cartridge Cases for .300 WSM (part no. 11863) give handloaders a fully prepped starting point instead of raw, unprocessed brass. Nosler does the meticulous case prep work up front, chamfering and deburring each case, checking alignment, and sizing and trimming every piece to proper length before it ships. Cases are hand-inspected against exact dimensional standards to support maximum accuracy and consistency.

Key Specifications

• Sized for .300 WSM.
• Sold unprimed, so the reloader selects and seats primers.
• Packaged 25 cases per box.
• Each case is chamfered and deburred before shipping, saving a case-prep step at the bench.
• Cases are sized and trimmed to proper length and checked for alignment as part of Nosler’s prep process.
• Every piece is hand-inspected against exact dimensional standards for consistency across the box.

Frequently Asked Questions

Are these cases primed? No. They are sold unprimed, so you select and seat your own primers.

Do these cases still need trimming before loading? No extra trimming is needed for a first load. Nosler sizes and trims every case to proper length and hand-inspects it before it ships.

Buy the Nosler Unprimed Brass Rifle Cartridge Cases, .300 WSM

Order Nosler Unprimed Brass Cases for .300 WSM through our reloading brass selection. Order it from our Lubbock, Texas gun shop for fast, insured shipping.