The Stern Defense RAB-AD Rapid Attach Buttstock Adapter provides a quick-detach interface for AR-platform rifles, enabling fast attachment and removal of compatible buttstocks. It reduces the overall length of the firearm for compact storage and transport without permanent modification. The adapter combines a 7075 aluminum body with steel internal components to balance strength and low weight. A hard coat anodized finish improves surface durability.
Key Specifications
- The body is made from 7075 aluminum for high-strength lightweight construction.
- It uses steel internals for the locking and engagement mechanisms.
- The finish is hard coat anodized to enhance surface durability.
- Overall dimensions are 2.25 x 4.00 x 6.15 inches.
- The adapter’s stated height is 2.25 inches, width 4.00 inches, and length 6.15 inches.
- The unit weighs 3.5 oz.
- It is buffer space compatible for use with common AR configurations.
- Designed for AR-platform systems including gas piston, direct impingement, direct blowback, and radial delayed blowback.
- Attach and detach with a push-button and 30° twist action; the steel locking mechanism secures automatically.
- Manufactured in the USA.
Whether you need a reliable, tool-free quick-detach solution for compact transport or a durable adapter to support modular stock setups, the RAB-AD offers robust construction and straightforward operation. Its lightweight 7075 aluminum body and steel locking internals deliver dependable performance while keeping overall mass low, making it a practical choice for users seeking efficient, no-nonsense functionality.
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