RCBS takes pride in their bullet casting process, with each mould carefully crafted for precision and durability. Machined from solid cast iron blocks to strict tolerances, RCBS Bullet Moulds are designed to deliver accurate, clean and repeatable castings, shot after shot. The mould blocks are precision-ground square before machining and steel alignment pins ensure perfect block mating, even after years of use. Each mould includes a 3/16 inches thick solid steel sprue plate that is securely held in place with tempered steel spring washers and screws for added durability. RCBS offers a wide range of sizes and configurations, accommodating various calibers and bullet shapes, making these moulds ideal for everything from casual plinking to precision hunting or target shooting. With RCBS Bullet Moulds, you can achieve the reliable results you're looking for.