Bushmaster Firearms International, LLC has become aware of a possible firearms performance issue that may develop with a small number of ACR rifles and we are requesting you discontinue the use of this rifle immediately, and contact us at your earliest convenience so that we can make the necessary arrangements to have the rifle returned to us for inspection and update if necessary.
**All Bushmaster produced ACR rifles produced before October 15th, 2010 are impacted by this notification.** **This notice is not applicable to any other Bushmaster firearms.**
Please see the PDF below for more details.