<https://www.boresightsolutions.com/product/action-enhancement-trigger-for-glock-gen-4-and-below-and-glock-43-43x-48-pistols/#product>
<http://schema.org/description>
"For Gen 4 and below GLOCKs.  Also for GLOCK 43, 43X, and 48.  See bottom of page for full list.   The Action Enhancement Trigger for Glock® pistols is the easiest, quickest upgrade to the Glock® trigger system, without reducing factory safety values. When properly installed, this drop-in trigger will:\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n \tReduces trigger over-travel and reset distance\r\n \tSmooth uptake and shorten reset\r\n \tCrisp trigger break\r\n \tMaintains factory safety values with center mounted pivoting safety\r\n \tDirect drop-in replacement of factory trigger"
<https://www.boresightsolutions.com/product/action-enhancement-trigger-for-glock-gen-4-and-below-and-glock-43-43x-48-pistols/>