Norma Dedicated Components 6mm BR Norma Unprimed Rifle Brass provides precision-engineered, reloadable metallic cartridge cases designed for benchrest competition, target shooting, and custom handloading. Manufactured in Åmotfors, Sweden, these virgin Boxer-primed cases feature uniform wall thickness, consistent internal volume, and factory-annealed necks and shoulders. Built to CIP standards with a maximum average pressure rating of 4,050 bar (58,740 psi), this brass provides the dimensional concentricity required for short-to-medium range accuracy and serving as a parent case for derivative wildcat cartridges.

Key Features

• Precision Case Geometry: Drawn with tight dimensional tolerances and uniform wall thickness to deliver consistent internal case capacity (~38 to 39.5 gr H₂O) and concentric bullet seating.
• Annealed Necks and Shoulders: Factory thermal treatment ensures consistent bullet retention, uniform neck tension, and extended case life across repeated reloading cycles.
• Reinforced Case Web: Engineered with a heavy-duty web construction designed to safely withstand standard CIP operating pressures up to 4,050 bar (58,740 psi).
• Standard Primer Interface: Formed with precise Small Rifle Primer (SRP) pockets and standard Boxer flash holes for reliable, uniform ignition.

Specifications

• Cartridge: 6mm BR Norma (6mm Bench Rest)
• MPN: 10260152
• Quantity: 50 pieces per box
• Bullet Diameter Compatibility: .243 in / 6mm projectiles
• Primer Pocket Type: Small Rifle Primer (SRP)
• Case Length (Nominal): ~1.560 in (39.6 mm)
• Base Diameter: ~0.470 in (11.9 mm)
• Maximum Pressure (CIP Pmax): 4,050 bar (58,740 psi)
• Internal Water Capacity: ~38–39.5 grains H₂O

Who is the Norma 6mm BR Unprimed Brass 50 Pack for?

• Precision benchrest shooters — relies on the tight dimensional consistency and Small Rifle Primer (SRP) pockets of this unprimed rifle brass to maintain uniform internal volume and sub-MOA grouping across 100 m to 600 m distances.
• 300-metre target shooters — requires factory-annealed 6mm BR Norma cartridge brass rated to withstand standard CIP operating pressures up to 4,050 bar (58,740 psi) for repeatable shot-to-shot velocity and stability.
• Long-range precision rifle competitors — uses this 50-piece pack of virgin unprimed cases to push high-BC 105–108 gr match bullets in fast-twist barrels out to target distances of up to 1,000 yards (~914 m).

Less suitable for: Long-range shooting beyond 1,000 m or hunting applications requiring heavy terminal energy on large game; larger-capacity short-action or standard cartridges (such as 6.5mm or .30-calibre cartridges) are better suited for these higher-energy, extended-distance demands.