The Sellier & Bellot 5.6x50 R Magnum Unprimed Brass Cases (MPN: V337092) provide factory-drawn, reloadable cartridge cases engineered for precision handloading. Manufactured in the Czech Republic to strict C.I.P. specifications, each case features a nominal 50.00 mm case length and accepts standard .224 in (5.69 mm) diameter projectiles. Designed with a boxer primer pocket and a factory-formed rimmed head, these cases ensure positive mechanical extraction in single-shot rifles, drillings, and break-action combination guns, offering uniform wall thickness across multiple reloading cycles.

Key Features

• Factory-Formed Rim: Engineered specifically for positive extraction in break-action extractors and combination firearms chambered in 5.6x50mm R Magnum.
• Standard Projectile Compatibility: Sized for standard .224 in (5.69 mm) diameter bullets, accommodating standard 50 gr to 55 gr varmint and game projectiles.
• C.I.P. Dimensional Compliance: Built to standard 50.00 mm nominal case length parameters with a maximum rated chamber pressure of 3,400 bar (49,313 psi).
• Ductile Drawn Brass: High-ductility brass construction engineered to deliver uniform neck tension and endure repeated handloading cycles.
• Boxer Primer Pocket: Unprimed brass design allows custom primer selection and load tuning for precision ballistic performance.

Product Specifications

• Calibre: 5.6x50mm R Magnum
• Manufacturer Product Number (MPN): V337092
• Pack Quantity: 20 pieces per bag/pack
• Case Length: 50.00 mm (nominal C.I.P.)
• Compatible Bullet Diameter: .224 in (5.69 mm)
• Primer Pocket Type: Boxer (unprimed)
• Case Head Style: Rimmed
• Maximum C.I.P. Chamber Pressure: 3,400 bar (49,313 psi)
• Pack Gross Weight: Approximately 185 g

Who is the Sellier & Bellot 5.6x50R Magnum Unprimed Brass Cases 20 Pack for?

• European Break-Action Firearm Reloaders — Delivers positive extractor engagement for break-action combination guns, drillings, and single-shot rifles chambered specifically in 5.6x50mm R Magnum with a precise 50.00 mm nominal case length.
• Varmint and Small-Game Hunters — Utilises standard .224 in diameter projectiles in reloadable 20-piece packs of 5.6x50R brass cases to achieve the high velocities and flat trajectories required for foxing, roe deer, and pest control out to 300 metres.

Less suitable for: Target engagements beyond 300 metres or hunting heavier big-game species where medium-to-large rifle calibres (such as 6.5x57R or 7x65R) are required; strictly incompatible with rimless 5.6x50mm chambers or alternative rimmed chambers such as 5.6x52R requiring a .228 in bore.