Blackout Defense Zero Trigger AR-10 4lb Flat Black. Blackout Defense machined these AR Triggers from aerospace-grade aluminum and created them with a black anodized finish for enhanced resistance to corrosion. The Blackout Defense AR-10 Short Reset Trigger is EDM cut and polished with brass wire and the trigger hammer and disconnector are all polished to a micron finish for friction-less contact. This trigger also contains a short take-up that helps with fast target acquisition in the field. Tune your AR-10 rifles trigger to best replicate your shooting habits and you'll experience a satisfying pulling weight that will guide your aim with every shot. Install the Blackout Defense AR-10 Zero Replacement Trigger to improve your shooting abilities especially during training and during competitions. Specifications for Blackout Defense AR-10 Zero Trigger: Manufacturer: Blackout Defense Trigger Pull Weight: 4 lb Trigger Pin Size: 0.154 in Gun Make: AR Platform Gun Model: AR-10 Gun Type: Rifle Condition: New Finish: Nitride Features of Blackout Defense AR-10 Zero Trigger Short reset length: 2mm Forced reset: No Drop safe: Yes Design: Single stage drop-in trigger for the AR-10 platform Compatibility: Fits any AR-10 lower receiver with a trigger well machined to AR-15 mil-spec dimensions Package Contents: Blackout Defense AR-10 Zero Trigger Anti-walk Trigger Pins What firearm models does the manufacturer say Blackout Defense AR-10 Zero Trigger is compatible with? The manufacturer suggests that Blackout Defense AR-10 Zero Trigger is compatible with AR-10Blackout Defense TRIG-AR10-4FB: Zero Trigger AR-10 4lb Flat Black