M70 Picatinny Buttstock Adaptor: FFFTech/FFFTechnology A 4 slot picatinny adaptor for Zastava (AKA Yugo) M70 AK variants. Printer Used: Ender 3 V2 Filament Used: PLA+ Print Settings: Extruder: 218C Bed: 56C First Layer Print Height: .20mm Standard Layer Height: .16mm Wall Thickness: .40 Wall Perimeters: 5+ Infill: 25%+ Material Flow: 100% Support Material Percentage: 16% Hardware Needed: 1x M8x30 Bolt, 1mm fine thread pitch (NOT 1.25mm) 1x M8 Washer, 15mm OD (Optional) 2x M4x12mm (Or M4x15mm) Bolts 2x M4 Nuts