Check out Tombstone Tactical they have an AAC Pilot 2 22lr suppressor for $225 + tax stamp.
http://www.tombstonetactical.com/catalog/aac/100740-pilot-2-suppressor-22lr-12x28-threads-black/
http://www.tombstonetactical.com/catalog/aac/100740-pilot-2-suppressor-22lr-12x28-threads-black/