Geissele Automatics 05167 SD-E Two-Stage Flat Trigger with 2.90-3.80 lbs Draw Weight & for AR-15/AR-10 Black Powder Accessories easily installs on QD swivel

easily installs on QD swivel bases (not included)

It is designed for muzzle device installs and can be used to install forward assist/port door covers

Boasting 10 hours of battery life on its dual batteries and housed in rugged magnesium alloy housing

small and large patch savers

The chronograph can also deliver the shot string velocity data through the 15 foot audio jack cable (included) to smartphone/ mobile device

Geissele Automatics 05167 SD-E Two-Stage Flat Trigger with 2.90-3.80 lbs Draw Weight & for AR-15/AR-10 Black Powder Accessories easily installs on QD swivelThe Geissele Super Dynamic Enhanced (SD E) Trigger featuring an exclusive flat trigger bow, is a finely tuned two stage trigger providing enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of Geissele combat proven two stage trigger. The SD E is ideal foruse in precision Squad Designated Marksman type rifles where weapon accuracy and reliability are critical.