The Griffin Armament 3-Lug Adapter, part number 3L1351LH, is designed for firearms with 13.5x1 left-hand muzzle threads and provides compatibility with HK-pattern 3-lug suppressor interfaces. This adapter works with 3-lug silencers built to the HK standard, making it a practical solution for configuring compatible suppressor systems.
The 3L1351LH also works with Griffin Armament 3-lug interface assemblies for a secure and consistent fit. Its 3-lug design supports quick attachment and removal of compatible suppressors while maintaining a clean, streamlined setup. The adapter is intended for use with extra barrels featuring the specified left-hand thread pattern.
A black Melonite QPQ finish provides a durable surface designed to resist wear and corrosion during regular use. The compact adapter profile helps preserve the handling characteristics of the host firearm without adding unnecessary bulk. Its robust construction and standardized interface make it a useful addition for shooters who need reliable compatibility across HK-pattern 3-lug suppressor equipment.
Before installation, verify that your barrel threading, suppressor interface, and firearm configuration match the specifications for this adapter. Professional installation and proper alignment checks are recommended to help ensure safe and dependable operation. The Griffin Armament 3L1351LH combines a 13.5x1 left-hand thread pattern, HK-compatible 3-lug interface, and black Melonite QPQ finish in a purpose-built adapter for compatible extra-barrel applications.
Features:
- HK-pattern 3-lug interface for compatibility with suppressors made to this standard
- Compatible with Griffin Armament 3-lug interface assemblies
- 13.5x1 left-hand thread pattern for compatible extra barrels
- Black Melonite QPQ finish for enhanced surface durability
- Compact 3-lug design supports quick suppressor attachment and removal