This trigger is adjustable from 4 to 8 lbs and has adjustments for overtravel, pretravel and disconnector engagement. The trigger is heat treated and black oxide and includes a new disconnector and hammer. This trigger can be adjusted for single-stage or two-stage pull. For the SAR-3 in 223 Remington. Kit Includes:TriggerDisconnectorDisconnector SpringHammerRetaining PinAllen WrenchFeaturesAdjustable for overtravel, pretravel, disconnector engagement, and trigger pullPre-adjusted to drop in with a two-stage 4.5 lb trigger pull. However, the trigger can be adjusted for a single stage pullDisconnector, disconnector spring and retaining pin may be pre-installed into triggerWill drop in most milled or stamped AK receivers