At RCBS we take bullet casting seriously. RCBS Bullet Moulds are meticulously machined from solid cast iron blocks to exacting tolerances and specifications. RCBS Bullet Moulds are machined from solid cast iron blocks to exacting specifications to ensure accurate, clean and repeatable castings - cast after cast. The blocks are precision ground square prior to machining and steel alignment pins are used to ensure perfect mating of mould blocks even after years of heavy use. All RCBS mould blocks feature a 3/16-inch-thick sold steel sprue plate held tightly in place with tempered steel spring washers and screws. RCBS Bullet Moulds are available in a wide range of sizes and configurations to accommodate a variety of calibers and bullet shapes. Whether you are casting bullets for plinking at the range or for precision hunting or target shooting, these moulds can help you achieve the results you need. Precision ground square before machining Steel alignment pins to ensure perfect mating between blocks 7.62 mm 130 Grain Special Machined from Solid Cast Iron Blocks 3/16a ^2 Thick Solid Steel Sprue Plate Mould Handles not included - Sold Separately