Meet the Diamondback Firearms SDR-A Revolver: Lightweight Aluminum Power for Everyday Carry [Video]

The SDR-A (Self Defense Revolver – Aluminum) is the next evolution of Diamondback’s trusted defensive platform. Building on the success of the original SDR, this new model introduces a lightweight aluminum frame—bringing the total weight down to just 15.6 ounces for effortless everyday carry.

Chambered in .38 Special +P, the SDR-A maintains the reliability and stopping power you expect, while enhancing comfort and control. Its double-action-only system features an enclosed hammer, making it ideal for pocket carry and snag-free draws.

Upgraded ergonomics come in the form of a new Hogue grip, designed to improve handling with a fuller backstrap and added pinky support—giving shooters better control over this lightweight revolver.

SDR-A Key Highlights:

• 15.6 oz Lightweight Aluminum Frame
• .38 Special +P Capability
• Double Action Only (DAO)
• Enclosed Hammer for Concealed Carry
• Hogue Grip with Enhanced Control
• Quick Release Cylinder

What’s New with the SDR-A

Two years after introducing the original SDR revolver, Diamondback Firearms expands the lineup with the SDR-A—featuring a newly engineered aluminum frame. This upgrade significantly reduces weight to just 15.6 ounces, making it ideal for concealed carry without sacrificing durability or performance.

Built for Everyday Carry

The SDR-A is chambered in .38 Special +P, offering dependable defensive capability in a compact revolver platform. Its double-action-only system features an enclosed hammer, allowing for a smooth, snag-free draw—perfect for pocket carry or close-quarters access.

Improved Control with Hogue Grip

One of the standout upgrades is the new Hogue grip. Designed with a fuller backstrap and added pinky support, it provides better handling and recoil management—especially important in a lightweight revolver.

Practical Features That Matter

The SDR-A keeps the features users appreciated in the original model:

• Crisp, consistent trigger pull
• Highly visible sights
• Push-button cylinder release
• Quick-release cylinder for easy cleaning and maintenance

Ready to carry lighter without compromise?

SDR-A Specs:

• Model: SDR-A
• Type: Self Defense Revolver
• Frame: Aluminum
• Caliber: .38 Special +P
• Capacity: 6-Shot
• Action: Double Action Only
• Weight: 15.6 oz
• Hammer: Enclosed
• Grip: Hogue Grip with Pinky Support
• Sights: Fixed
• Cylinder: Push Button Release / Quick Removal

Lightweight. Reliable. Ready.

The Diamondback Firearms SDR-A delivers the performance you need in a lighter, more controllable revolver—built for real-world self-defense.

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