SIG Sauer is recalling some rifles after finding that two-stage triggers may have an improperly heat-treated hammer.
Affected rifles are, Sig 716 DMR, 516 Carbon Fiber, and M400 Predators.
The recall will replace the hammer and trigger assembly.
Here is the website for serial number look up
https://www.sigsauer.com/support/safety-center/rifle-safety-warning/#safety-recall-anchor
From: Sig Sauer