Donny FL Slide-On Silencer Adapter 15MM ID

Donny FL Slide On Silencer Adapter 16mm OD Barrel, 1/2 x 20 UNF Have an airgun that does not have a shroud and would like to be able to add an airgun moderator? These slide on adapters work on airguns with barrel sizes 10mm, 11mm, 12mm, 14mm, 15mm and 16mm. Features Compatible with .177 to .25 Made by CNC for accuracy Material is 6061 T6 Aluminum Black anodize Diamond pattern knurling for easy grip Comes with M4 set screws Uses 2mm Allen keys