View cart “Rare Prototype R Series Mag” has been added to your cart. Previous Product Next Product South African R Series Stock $125.00 No knuckle included – just what is shown. Will need to be drilled to mount the folding knuckle assy. In stock South African R Series Stock quantity Add to cart Category: Parts Related products Quick View Quick View PartsGalil Rivet Set $18.00 Add to cart Quick View Out of Stock Quick View Hand Guards, PartsNOS South African R5/R6 Hand Guard $120.00 Read more Quick View Quick View PartsTrigger/Hammer Pin Retainer $6.50 Add to cart