Pivot pin for side-folding stock, for stamped and milled receivers (Rear).OD: 4.5mm
Rivet for Rear Block
Rivet, top long rivet for rear block, stamped receiver, fixed and folding block, Arsenal
Rivet, rear rivet for trigger guard, 1 is required per trigger guard
Screw for attaching all polymer buttstocks to receiver, new and improved design and engineering