Peterson Unprimed Cases in .338 Lapua Magnum (Peterson Cartridge part no. 40005-R) give long-range precision shooters fresh, unprimed brass for one of the more demanding magnum cartridges to load consistently. They’re sold 50 cases to a bag, with 10 bags packed per case, and case length runs approximately 7.05 inches out of the bag. Starting from new brass means consistent case volume and neck tension across an entire batch from the first firing. It’s a solid foundation for a serious .338 Lapua precision load.

Key Specifications

• Sized specifically for .338 Lapua Magnum.
• Sold 50 cases per bag, with 10 bags per case.
• Case length measures approximately 7.05 inches.

Frequently Asked Questions

Are these cases primed? No, these are unprimed cases; you’ll need to add your own primers.

How are these cases packaged? 50 per bag, with 10 bags per case.

Buy the Peterson Unprimed Cases, .338 Lapua Magnum (50ct)

A magnum case this demanding deserves consistent starting brass, and Peterson’s unprimed .338 Lapua run gives a precision reloader exactly that. Order these Peterson Cartridge cases from our reloading brass selection and we’ll ship them fast from our Lubbock, Texas gun shop.