Griffin Armament 3 Lug Adapter for 13.5x1LH – HK Pattern, 17-4 Stainless Steel (3L1351LH)

• Three lug adapter designed for attaching suppressors to compatible threaded barrels
• Compatible with HK pattern three lug suppressor mounting systems
• Threaded for thirteen point five by one left hand barrel interface
• Constructed from 17-4PH stainless steel for durability and corrosion resistance
• Melonite QPQ treated finish enhances wear resistance and service life
• Supports Griffin three lug interface assemblies for secure mounting applications

The Griffin Armament 3 Lug Adapter 13.5x1LH is a suppressor mount adapter designed for attaching compatible 3-lug silencers to threaded barrels. This Griffin Armament 3 Lug Adapter uses the HK-pattern interface and provides a standardized mounting point for 13.5×1 LH threaded firearm barrels.

It features 17-4PH stainless steel construction with a Melonite QPQ finish for corrosion resistance and wear durability. The suppressor mount adapter uses a 13.5×1 left-hand thread pitch and follows the HK 3-lug mounting standard for compatibility with matching silencers. This product is used for connecting 3-lug suppressors and works with Griffin Armament 3-lug interface assemblies. In typical setups, the Griffin Armament 3 Lug Adapter provides consistent alignment between barrel and suppressor systems. The compact design supports range use and firearm configurations where a quick-attach suppressor mounting solution is required.