Product Overview
The Rugged Suppressors Obsidian 9mm 3-Lug Mount is a suppressor-support component intended for a specific mounting, attachment, alignment, service, or configuration role. It is listed for compatible Obsidian 9mm 3-Lug Mount applications. Suppressor accessories are highly system-specific, so the suppressor model, host firearm, barrel thread pattern, mounting standard, caliber, and manufacturer part number should all be confirmed before purchase.
Key Features and Specifications
- Product Type: 3-Lug Suppressor Mount
- Suppressor Compatibility: Obsidian 9mm 3-Lug Mount
- Mounting System: 3-Lug
- Caliber or Bore: 9mm
Why These Features Matter
Product Type: 3-Lug Suppressor Mount
Correct identification matters because pistons, boosters, fixed mounts, front caps, muzzle devices, spacers, and adapters perform different jobs.
Suppressor Compatibility: Obsidian 9mm 3-Lug Mount
Suppressor families can use proprietary dimensions and locking systems. Similar names do not guarantee interchangeability.
Mounting System: 3-Lug
The mounting system determines how the suppressor attaches, locks, aligns, and is removed from the host firearm.
Caliber or Bore: 9mm
Caliber or bore clearance must support the intended cartridge and projectile diameter.
Choosing a 3-Lug Mount or Adapter
Confirm both sides of the system: the host firearm must have the correct 3-lug muzzle interface, and the suppressor must accept the listed 3-lug mount or housing.
Caliber and lug geometry matter. Similar 3-lug systems are not always interchangeable across pistol-caliber and larger-bore applications.
Inspect the lugs, spring, locking surfaces, and mount engagement before use. The suppressor should lock fully without excessive play.
Follow the manufacturer cleaning schedule because carbon buildup can interfere with attachment and removal.
Installation, Alignment, and Maintenance
Unload the firearm completely before installation or inspection. Follow both the firearm and suppressor manufacturer instructions.
Clean the barrel threads and mating surfaces, then install the component using the specified torque, shims, timing method, and thread treatment. Do not improvise with crush washers unless the manufacturer expressly permits them.
Verify suppressor alignment with the correct equipment before firing, especially after changing mounts, muzzle devices, adapters, front caps, or host firearms.
Inspect threads, tapers, locking surfaces, pistons, springs, caps, mounts, and fasteners for carbon buildup, wear, deformation, looseness, or damage. Replace any component that no longer locks or aligns correctly.
Best For
- Owners matching an accessory to the exact suppressor and host-firearm system
- Direct-thread, QD, HUB, piston, booster, 3-lug, or muzzle-device configurations identified by the manufacturer
- Users who will verify thread pitch, caliber, alignment, torque, and installation requirements
TRA Take
A 3-lug system offers fast attachment, but only when the lug geometry, caliber, mount housing, and suppressor model all match.
Frequently Asked Questions
What type of suppressor accessory is this?
This product is classified as a 3-lug suppressor mount based on the catalog information.
What suppressor is it compatible with?
The catalog lists compatibility with Obsidian 9mm 3-Lug Mount. Confirm the exact suppressor model and manufacturer part number before ordering.
What caliber or bore is listed?
The catalog lists 9mm. Confirm the complete suppressor and host-firearm configuration supports the intended cartridge.
Is this accessory an NFA-regulated suppressor?
No. This listing is for an accessory or mounting component, not a serialized suppressor. Standard non-serialized accessories generally ship directly where legal.
Is professional installation recommended?
Professional installation or inspection is recommended whenever the part affects muzzle-device timing, suppressor alignment, mounting security, barrel threads, or safe projectile clearance.
How should alignment be checked?
Follow the suppressor manufacturer procedure and use appropriate alignment equipment before firing, especially after changing mounts, adapters, muzzle devices, caps, or host firearms.
Can similar-looking mounts be substituted?
No. Similar appearance does not confirm compatible dimensions, thread pitch, locking geometry, or caliber clearance. Use only manufacturer-approved combinations.
What is the manufacturer part number?
The manufacturer part number is OA001.
Shipping and Installation Information
This listing is for a non-serialized suppressor accessory and generally ships directly where legal. It is not a suppressor and does not itself require an NFA transfer. Some muzzle devices, adapters, tools, or components may be restricted by destination or intended configuration. Confirm lawful use and follow all manufacturer installation, torque, timing, alignment, cleaning, and inspection instructions.
Why Buy From Tar River Arms
- Veteran-Owned Firearms Dealer
- Secure Online Checkout
- Nationwide Accessory Shipping Where Legal
- Local Pickup Available in Raleigh, North Carolina
- Professional Product Guidance and Gunsmithing Support
- Descriptions Focused on Actual Mounting and Compatibility Requirements
Product Identification
Manufacturer Part Number: OA001
UPC: 859383006402
Use these identifiers to distinguish this configuration from similar mounts, adapters, pistons, caps, and muzzle devices.

