You can find the Rugged Suppressors 9mm 3 Lug Adapter 1/2x28 here Fast $9.95 shipping! Orders over $200 ship for free!

The Rugged Suppressors 3 Lug Adapter features the Rugged Go/No Go Gauge which provides confirmation that your suppressor is properly attached, for a surprise free shooting experience. The 3 Lug Adapter is compatible and used in conjunction with the Rugged Suppressor 3 Lug Mount. This 3 Lug Adapter is made to 9mm HK spec and is not compatible with 45ACP.

Caliber: 9mm
Threads: 1/2x28