Caldwell 123904 Spare Picatinny Mount for AR Brass Catcher Black

The Caldwell 123904 Spare Mount provides a reliable backup mounting solution for AR-15 brass catchers, ensuring uninterrupted range sessions and training exercises. This precision-engineered Picatinny rail mount eliminates downtime caused by lost or damaged primary mounts.

What Makes This Different

Unlike universal mounts that require adjustment and repositioning, this spare mount maintains the exact same mounting position as the original Caldwell brass catcher mount. The black anodized aluminum construction resists corrosion and wear from repeated installations. Quick-detach functionality allows tool-free installation and removal in seconds, making it ideal for competitive shooters who need rapid equipment changes.

Key Features

• Direct replacement for Caldwell AR brass catcher mounting systems
• Precision-machined aluminum construction with Type III hard anodizing
• Standard Picatinny rail compatibility (MIL-STD-1913 specification)
• Tool-free quick-detach lever mechanism
• Repeatable zero return for consistent brass catcher positioning
• Low-profile design minimizes snag hazards
• Matte black finish reduces glare and maintains tactical appearance

This spare mount performs reliably across temperature extremes and high round-count training sessions. Competition shooters benefit from having backup equipment readily available during matches, while law enforcement and military users appreciate the redundancy for critical training scenarios. The mount maintains secure attachment through rapid-fire sequences and maintains brass catcher alignment for optimal collection efficiency.

Technical Specs

• Material: 6061-T6 aluminum alloy with Type III hard anodizing
• Finish: Matte black
• Rail compatibility: Standard Picatinny/Weaver (MIL-STD-1913)
• Mounting: Quick-detach cam lever
• Weight: Approximately 2.1 ounces
• Manufacturer: Caldwell Shooting Supplies
• Model: 123904
• Country of Origin: USA

Having a spare mount prevents range day interruptions and ensures brass collection systems remain operational when needed most. Professional shooters and serious enthusiasts recognize the value of backup equipment that matches original specifications exactly.