RCBS Soft Point CSA Rifle Bullet Mould - Double Cavity .410" 300 gr

The RCBS Soft Point CSA Rifle Bullet Mould in .410" diameter, 300-grain configuration is a precision-machined casting tool designed for serious handloaders and ammunition reloaders who demand repeatable, consistent bullet production. This double-cavity mould allows for efficient batch casting of soft-point rifle projectiles, a critical component for custom ammunition development and specialized ballistic applications where factory rounds don't meet specific requirements.

The mould features cast iron blocks that are ground square to precision tolerances before final machining, ensuring cavity alignment that produces dimensionally consistent bullets across extended casting sessions. The 3/16-inch sprue plate, machined from solid stock, controls the lead flow during casting and minimizes sprue weight, reducing material waste and improving casting efficiency. The .410" diameter and 300-grain weight specification targets mid-range rifle cartridges, providing a versatile option for handloaders working with multiple platforms. RCBS's machined construction and attention to cavity geometry directly translate to round-to-round consistency in bullet weight and diameter—factors that experienced reloaders recognize as essential to load accuracy and velocity uniformity.

This mould serves dedicated reloaders, benchrest competitors, and hunters who cast their own projectiles to achieve tighter tolerances than off-the-shelf ammunition. The double-cavity design accelerates production while the precision-ground blocks preserve the dimensional accuracy required for quality ammunition. Whether for load development, ballistic testing, or field ammunition optimization, the RCBS Soft Point CSA mould supports the level of control that serious shooters demand from their reloading process. Proper lead hardness selection and casting temperature management—standard practices in the reloading community—will maximize the performance potential of bullets produced from this tool.