“Rare Prototype R Series Mag” has been added to your cart. View cartSouth African R Series Stock$125.00No 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: PartsRelated products Quick View Quick ViewPartsSOUTH AFRICAN R4 MAGAZINE $70.00Add to cart Quick View Quick ViewPartsARM Gas Block $225.00Select options This product has multiple variants. The options may be chosen on the product page Quick View Quick ViewPartsGalil Rivet Set $18.00Add to cart