RCBS Neck Expander Die .311 cal

The RCBS Neck Expander Die .311 cal is a precision reloading component designed for shooters and handloaders who prioritize consistency in ammunition production. This die is specifically engineered for .311 caliber cartridges, including Mosin-Nagant and 7.62x54R, allowing for effective neck expansion of resized brass cases before bullet seating.

Constructed from hardened steel, the RCBS neck expander die is built to tight tolerances, ensuring uniform neck expansion across your entire batch of brass. This die plays a critical role in the reloading sequence, allowing for the precise opening of the case neck to accept a bullet without excessive force or runout.

Reloaders and ammunition builders, especially those working with military surplus brass or older military rifles, will find this die essential. Its compact dimensions (4.4 x 1.75 x 6 inches) allow it to fit standard single-stage and progressive reloading presses without modification, making it a versatile addition to any reloading setup.