Battenfeld Technologies is recalling its lower parts kit named M&P AR-15 Lower Parts Kit Complete
This is not related to S&W's M&P rifle line.
The M&P AR-15 Rifle Lower Parts Kit Complete is identified as Item No. 110114, and any one of them manufactured priors to Sept. 12, 2017 is subjected to recall. It may have incorrect hammer.
For recall, contact BTI at (877) 416-5167 or firstname.lastname@example.org
From: The Firearm Blog