Geissele Super Dynamic 3-Gun Trigger Tactical Flat 4 lb Black. Designed specifically for competition shooters these AR Triggers from Geissele enable rapid target engagement and super quick follow-up shots. Using the Geissele Super Dynamic 3-Gun Replacement Trigger feels like a hybrid trigger pull that is a cross between a single-stage and a traditional two-stage trigger while retaining the safety and reliability of a two-stage combat trigger. Customizing with a Geissele Super Dynamic 3-Gun SD-3G Trigger will transform your shooting experience. Please note: These triggers are designed for mil-spec AR15/M4 carbine rifles. The AR15 triggers are not compatible with the Sig MPX/MCX weapons or Pistol Caliber Carbine AR15/M4 variants. Using them in these platforms will void the warranty. Specifications for Geissele Super Dynamic 3 Gun Trigger: Manufacturer: Geissele Color: Black Trigger Shape: Tactical Flat Trigger Pull Weight: 3 - 4 lb Trigger Pin Size: Mil-Spec Hand: Ambidextrous Gun Make: AR Platform Gun Model: AR-10 AR-15 Gun Type: Rifle Condition: New Features of Geissele Super Dynamic 3-Gun Trigger: Faster follow-up shots with ultra crisp break and super short reset Total Pull Weight: 3.0 - 4.0 lbs. (Lighter Spring) 4.5 - 5.5 lbs. (Heavier Spring) Not adjustable 3 Gun Competition Easy installation Package Contents: Geissele Super Dynamic 3-Gun Trigger What firearm models does the manufacturer say Geissele Super Dynamic 3 Gun Trigger is compatible with? The manufacturer says that Geissele Super Dynamic 3 Gun Trigger is compatible with AR-15 AR-10Geissele 05-166: Super Dynamic 3-Gun Trigger Tactical Flat 4 lb Black