View cart “South African R Series Stock” has been added to your cart. Previous Product ARM Gas Block Category: Parts Description Description These are in final checks and will be for sale soon. Counts as 1 US part for 922r. Related products Quick View Quick View PartsR Series Stock Recoil Buffer $25.00 Add to cart Quick View Quick View Barrels, PartsBarrel Extension $105.00 Select options Quick View Quick View PartsGalil Rivet Set $18.00 Add to cart