Fx Impact

Hi guys

I like to know what is the best way to add a silencer to my Impact? The gun is not loud, but I like to make it back yard quiet

what thread size is the endcap? Oh I have the standard 24" barrel. 



Thanks guys



Biagio


1546616226_20798658165c2f7da2c3a627.01148182_FX YES.jpg
this is how mines set up and its very back yard friendly