American Air Arms - EVOL 1/2 x 20 UNF #A13

This adapter screws into the OEM shroud allowing you to screw one a suppressor with 1/2 x 20 UNF of your choice.

Features: 

• Made by CNC for accuracy
• Material is 6061 T6 Aluminum
• Matte black anodize
• Includes thread protector
  
• Compatible up to .30 cal