RCBS .310 120 gr Round Nose Bullet Mould – Double Cavity

Description

The RCBS Round Nose Pistol Bullet Mould is a double-cavity mould designed to cast .310 caliber, 120-grain round-nose bullets for handloading applications. The mould is machined from solid cast iron blocks and precision ground to maintain accurate block mating and consistent castings. Steel alignment pins are used to preserve alignment over years of use. A 3/16-inch sprue plate is provided and is secured with tempered steel screws and spring washers for reliable sprue trimming.

Key Specifications

• The mould has a double cavity configuration to increase casting throughput.
• Intended for .310 caliber round-nose bullets as specified in the product name.
• The design casts bullets sized at 120 gr as indicated by the product name.
• The blocks are machined from solid cast iron for durability and thermal stability.
• The mould blocks are precision ground square to ensure accurate block mating.
• Steel alignment pins are used to maintain block alignment over extended use.
• The sprue plate measures 3/16-inch and is tightened with spring washers.
• The sprue plate is secured with tempered steel screws for long-term reliability.
• Manufacturer-supplied shipping weight is listed as 1.0 in the product attributes.

This RCBS mould provides a practical, workshop-ready solution for reloaders who cast their own pistol bullets. Its solid construction and attention to alignment and sprue control help deliver repeatable castings for routine reloading tasks. Whether producing replacement bullets or maintaining a steady supply for range use, the mould offers dependable function and straightforward operation.