There is a safety recall on all made before 2/1/2019. Stop by the shop any Thursday, Friday or Saturday during business hours with your M&P and we will check your firearm at no charge.
https://www.smith-wesson.com/mp15-22-consumer-safety-alert
M&P15-22 Consumer Safety Alert | Smith & Wesson
IMPORTANT! M&P15-22 CONSUMER SAFETY ALERT AND INSPECTION PROCEDUREDESCRIPTION – Please Read…