Huma demper 1/2 UNF x 20 Model 40 40

Huma demper 1/2 UNF x 20 Model 40 40 

Huma-Air Modulair Airgun Silencer or Moderator MOD40, with 4 x 40 mm chambers for best noise reduction.  

Material  Aircraft Aluminium
Number of 40 mm chambers  Startpiece + 3 extra chambers
Number of 20 mm chambers  0
Weight  216 Gram.
Lenght  187 mm.
Diameter (Outside)  40 mm.
Finish  Satin black anodizided