I have a 22WMR 96/22 that I use a Silencerco sparrow on. Great gun to have around camp. Enough gun for most all varmints, but it cracks supersonic. For those times when quiet is more better-err, anyone ever heard of a subsonic (heavy) 22 WMR? ETA just googled it. Looks like 45gr @ 1065 fps is commercially available from Winny. I'm skeptical of the FPS from a 16" barrel but I'll give it a try. I'd rather see a 60gr @ 1020fps.