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 Out of Stock Quick View PartsARM Gas Block Read more Quick View Quick View PartsTrigger/Hammer Pin Retainer $6.50 Add to cart Quick View Quick View PartsRare Prototype R Series Mag $70.00 Add to cart