Rugged Obsidian9 3-Lug Adapter | 1/2×36 | OA005

The Rugged Suppressors Obsidian9 3-Lug Adapter (OA005) provides a purpose-built interface for mounting compatible Obsidian9-series suppressors and other H&K-pattern 3-lug mounts. It features the manufacturer’s patented Go/No Go gauge so users can verify correct seating and reduce the chance of a mis-mounted suppressor. The adapter is made to 9mm HK specification and is explicitly not compatible with .45ACP.

Use cases include secure suppressor mounting for range shooting and for competition platforms that accept H&K-pattern 3-lug interfaces.

Product Specifications

• The manufacturer is Rugged Suppressors.
• The model is 3 Lug Adapter.
• The manufacturer’s part number is OA005.
• The thread pattern is 1/2″-36 tpi.
• The adapter is made to 9mm HK spec and is not compatible with .45ACP.
• The product includes a patented Go/No Go Gauge to confirm proper attachment.
• The color is Black.
• The fit is specified as 1/2X36.
• The product type is Adaptor.
• The subcategory is Muzzle Devices.
• The dimensions are 1.45 X 1.55 X 2.50.
• The height is 1.4500.
• The width is 1.5500.
• The length is 2.5000.
• The weight is 1.0.
• The UPC is 859383006723.

This adapter delivers a straightforward, mechanically-precise interface for users who need a repeatable, verifiable method to mount Obsidian9-compatible suppressors and H&K-pattern 3-lug devices. Built and finished for durability, it simplifies setup and reduces guesswork at the muzzle while maintaining a low-profile fit.