Silencer adapter for Umarex Walther MP5 22 LR - thread of your choice
Mp5 ics silencer adapter (mp-59): Flash hiders - silencer adapters for Softair | Titano Store
A036M
Nine Ball NEO SAS Silencer Adapter for Tokyo Marui MP5 Style AEG Airsoft SMG, Accessories & Parts, External Parts, Threaded Adapters - Evike.com Airsoft Superstore
Spartan Doctrine Silencer Adapter for Marui MP5 A4/A5 AEG 14mm- Airsoft Tiger111HK Area
MP5K and PDW silencer adaptor
SF-TRILUG9 | Suppressor adapter for tri-lug (MP5) suppressors | SureFire