PWC Whisper 9 is a SMG can which is 12" long and 1.5" in dia. It is constructed of mild steel and T6-6061 aluminum.  It is treated with a baked on enamel finish wich gives it a matte black finish.  It contains no mesh or wipes which will degrade performance over time or adversely affect accuracy.  It can be special ordered to fit any SMG (Replaces barrel nut on Uzi's).  It is also available to fit .45acp as Whisper 45 or .40 S&W as Whisper 40.

Price $ 350