Legacy Special ACE Trigger System for GlockA Revolution in Glock Performance The ACE Trigger System for Glock pistols is a breakthrough in trigger performance, reliability, and safety. This is not just an upgrade it redefines what your Glock is capable of. Why Youll Love It Unmatched Performance Gains: The ACE Trigger System delivers the largest margin of improvement of any product we've ever launched Fully Tunable Feel: Adjust break weight and reset to your exact preferences 1911 Inspired