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Rugged Suppressors 9mm 3 Lug Adapter 1 2X28 OA003 UPC 859383006709
Product Description
The Rugged Suppressors 9mm 3-Lug Adapter in 1/2"x28 (MPN: OA003) is a precision-machined muzzle interface engineered to adapt 1/2x28 threaded 9mm barrels to standard HK-pattern 3-lug quick-detach suppressor mounts. Designed specifically for Pistol Caliber Carbines (PCCs), submachine gun clones, and fixed-barrel 9mm handguns, the OA003 provides rapid, push-and-twist suppressor attachment while eliminating the risk of direct-thread unthreading under high-volume firing schedules.
Precision CNC-machined in the USA from heat-treated 17-4 PH stainless steel and finished in a durable, non-reflective matte black dual-stage coating, this 3-lug adapter is built to withstand extreme thermal cycling and heavy gas erosion. The adapter features integrated "Go / No-Go" visual timing indicators laser-engraved onto the body housing, allowing armorers to instantly verify proper seating shoulder contact and thread alignment during installation.
Engineered to interface seamlessly with the Rugged Obsidian9 (using the 3-lug mount assembly) as well as all industry-standard 9mm 3-lug female connectors (SilencerCo, Dead Air, B&T, Hansohn Brothers), the OA003 provides perfect concentricity to safeguard against baffle strikes. Backed by Rugged Suppressors' unconditional lifetime warranty, it is an essential muzzle device for staging quick-detach suppressed PCC setups.
Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Fits 9mm fixed barrels threaded 1/2"x28 right-hand (AR-9, SIG MPX with 1/2x28 adapter, CZ Scorpion EVO with 1/2x28 threads, Ruger PC Carbine, B&T 9mm, MP5 clones). Compatible with 9mm 3-lug suppressor mounts. (Note: Designed strictly for 9mm fixed-barrel carbines or handguns utilizing fixed barrel spacers; do NOT install on tilting-barrel handguns without a fixed barrel setup or Browning-action lockup).
- Perform a complete firearm safety check: drop the magazine, lock the bolt rearward, and visually/physically inspect the chamber to verify zero live rounds are present.
- Thoroughly clean and degrease the 1/2x28 barrel threads and barrel shoulder using isopropyl alcohol and a wire brush to remove thread sealant or carbon deposits.
- Apply a drop of high-temperature thread locker (e.g., Rocksett or medium-strength Loctite) to the clean barrel threads.
- Thread the Rugged OA003 3-lug adapter onto the barrel by hand until it seats flush against the barrel shoulder.
- Using a torque wrench and proper wrench flats socket, torque the adapter to 20–25 ft-lbs against the barrel shoulder, verifying the laser-engraved shoulder index mark aligns smoothly.
- Allow thread locker to cure completely, then mount your 3-lug suppressor assembly and perform a visual alignment check with a 9mm bore alignment rod before live-fire staging.
Key Features
- Universal HK-Pattern 3-Lug Architecture: Converts standard 1/2x28 barrel threads into a high-speed 3-lug QD suppressor mounting interface.
- 17-4 PH Stainless Steel Construction: Precision CNC-machined from high-strength stainless steel to resist gas cutting and high-temperature stress.
- Laser-Engraved Alignment & Fitment Markings: Features crisp, permanent "Go / No-Go" indicators for visual confirmation of proper installation depth.
- Rock-Solid Concentricity: Precision machining guarantees concentric alignment with the bore axis to eliminate baffle strike risks.
- Durable Matte Black Protective Finish: Heat-resistant coating protects against corrosion, carbon buildup, and harsh field elements.
- Rugged Unconditional Lifetime Warranty: American-made craftsmanship backed by Rugged Suppressors' full factory warranty.
Product Specifications
- Brand: Rugged Suppressors
- Model/Series: 9mm 3-Lug Barrel Adapter
- MPN / SKU: OA003
- UPC: 859383006709
- Caliber: 9mm Luger / 9x19mm NATO
- Thread Pitch: 1/2"x28 tpi (Right-Hand)
- Mount Standard: 9mm HK-Pattern 3-Lug Male Mount
- Platform Compatibility: Fixed 9mm Barrels (AR-9, MP5 Clones, CZ Scorpion, Ruger PC Carbine)
- Material: 17-4 PH Stainless Steel
- Finish / Color: Matte Black
- Weight: 1.5 oz
- Country of Origin: USA
