AR-15 Trigger Jig V1.5 by FFFTech/FFFTechnology An apparatus to hold a AR-15 FCG, used to test the trigger pull of at-home trigger polish jobs or aftermarket fire control groups. Can be also used to safely dry fire train, without risk of damage to an AR-15 aluminum lower receiver. Two versions are available: Standard and Reduced Material Jigs. Printer Used: Monoprice Maker Select Plus Filament Used: PLA+ Print Settings: Extruder: 204C Bed: 56C First Layer Print Height: .20mm Standard Layer Height: .14mm Wall Thickness: .40 Wall Perimeters: 3 Infill: 20% Infill Pattern: Gyroid Material Flow: 100% Print Trigger Jig on it's front face. Hardware Needed: x2 Standard FCG Retaining Pins x1 Standard Trigger, Trigger Spring, Disconnector, and Disconnector Spring x1 Standard Hammer and Hammer Spring x1 Standard Safety Selector, Selector Detent Pin, and Detent Pin Spring x1 AR-15 Compatible Grip Installation: 1) Prior to hardware installation, drill out retaining pin holes and safety selector spring/detent hole. 2) Insert the safety detent pin to test if it slides freely in it's channel; if not, carefully drill out more material until it does. 3) Install FCG hardware and AR-15 compatible grip. 4) Function test the trigger jig.