Wilson Combat TRETUM2 Enhanced Trigger Unit Universal Black Two-Stage Fits AR-15/AR-10 Dove Decoy and shockproof design

and shockproof design

They measure for consistently tight wall concentricity and even run the cases through a pressure calibration test to ensure uniform case expansion during firing

40 cal and

5 wool star chamber cleaning pads

Wilson Combat TRETUM2 Enhanced Trigger Unit Universal Black Two-Stage Fits AR-15/AR-10 Dove Decoy and shockproof designThe Enhanced Trigger Unit, the most advanced modular AR trigger unit yet. The black DLC (Diamond Like Carbon) physical vapor deposition finish on essential action parts comprises chromium and tungsten underlayers that give superior corrosion protection. So your ETU will continue to work as smooth as glass even under heavily fouled conditions for years to come.