Rugged Suppressors Obsidian45 3-Lug Adapter | .578×28 | OA010

The Rugged Suppressors Obsidian45 3-Lug Adapter (OA010) provides a 3-lug mounting interface designed for use with Rugged’s .45ACP 3-lug mount. It incorporates Rugged’s patented Go/No Go gauge, which confirms proper suppressor engagement to reduce the chance of an improperly seated mount. The adapter is finished in matte black and intended for range use and competition where quick, repeatable attachment is required.

Product Specifications

• The manufacturer is Rugged Suppressors.
• The model is listed as 3 Lug Adapter (Obsidian45).
• The manufacturer’s part number is OA010.
• The finish is Matte.
• The fit/thread pattern is .578×28.
• The color is Black.
• The product type is listed as Mount.
• The subcategory is Suppressor Accessories.
• The item dimensions are 1.45 x 1.55 x 2.55.
• The listed weight is 0.15.
• Country of origin is US.
• Feature includes a patented Go/No Go Gauge to confirm proper suppressor attachment.
• The finish type is Applied Finish.
• The UPC is 859383006921.

This adapter is a compact, purpose-built accessory for users who want a reliable 3-lug interface with a built-in verification gauge. For installation Rugged recommends using Red Loctite or Rocksett and torquing the adapter to 20–25 ft-lbs; follow the manufacturer’s procedures for installation and headspacing. The Obsidian45 3-Lug Adapter is a practical, no-nonsense choice for suppressor-equipped range work and competition where secure, repeatable engagement matters.