22lr (5.5mm) silencer 1/2" UNF 20

thingiverse

If like me want to practice rifle shooting silently this model is derived from my 4.5 mm I designed and printed this sound moderator for: 22lr or 5.5mm air rifle to print it in vertical put the big hole at the top After printing, just tap 1/2 '' unf 20 and use it! the pilot hole is made for a 1/2 '' unf 20 tap tested (in pla) with 22lr subsonic: slightly noisier than a STILL n ° 5