Please check the link below for recall information on Silencerco Osprey pistons.
http://us2.campaign-archive1.com/?u=a1d29a8e791b7e5fccbeaa366&id=ea622437b6
http://us2.campaign-archive1.com/?u=a1d29a8e791b7e5fccbeaa366&id=ea622437b6