Install the Geissele Super Dynamic 3-Gun Trigger Upgrade for a trigger that delivers shortened pull length, crisp break, and lightning-quick reset. Designed specifically for competition shooters, these Rifle 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:GeisseleColor:BlackTrigger Shape:Tactical FlatTrigger Pull Weight:4 lbTrigger Pin Size:Mil-SpecHand:AmbidextrousGun Make:AR PlatformGun Model:AR-10, AR-15Gun Type:RifleCondition:NewFeatures of Geissele Super Dynamic 3-Gun Trigger:Faster follow-up shots with ultra crisp break and super short reset.Single Stage.1st Stage Weight: 4.0lbs.Total Pull Weight: 4.0lbs. (3.25lbs. or 4.0lbs depending on spring).Not adjustable.Recommended Use: 3 Gun.Pin Size: Mil-Spec.Easy installation.Package Contents:Geissele Super Dynamic 3-Gun TriggerGeissele 05-166: Super Dynamic 3-Gun Trigger, Tactical Flat, 4 lb Pull, Black