Peterson Cartridge 300 Winchester Magnum Brass (50) R2,550.00 Add to Order Product added to Order. View Order Lapua 300 Win Mag Brass Cases (100) R4,200.00 Add to Order Product added to Order. View Order Peterson Cartridge 300 Win Mag LONG Brass (50) R2,550.00 Add to Order Product added to Order. View Order Out of Stock Norma 300 Win Mag Cases (50) R1,590.00 Out of Stock Sellier & Bellot 300 Winchester Magnum Cases (20) R560.00