RCBS Neck Sizing Die .223 Rem (5.56mm) #11130

Precise neck sizing for maximum repeatability Constant seating depth and controlled stress distribution The RCBS neck sizing die .223 Rem is specially designed for reloaders who demand the highest precision and reproducibility. By targeting only the neck of the case, the body of the case remains in its fired shape, ensuring the case is optimally adapted to the specific chamber geometry of the respective firearm; this reduces systematic sources of variation and supports tight groupings in batch measurements. The die ensures a defined stress distribution in the neck area, so the bullet is held securely but not overly clamped — a key factor for consistent ignition and combustion conditions as well as stable internal ballistics. In practice, the RCBS solution impresses with a slim adjustment mechanism and user-friendly handling, allowing fine adjustments to be made quickly and reproducibly documented; this saves time in the workshop and increases process reliability in batch loading. Made from wear-resistant material and produced with tight manufacturing tolerances, the die fits easily into common reloading presses with standard threads and offers long-term dimensional stability even with intensive use. In use, the benefits show in improved zeroing of optics, reduced adjustment cycles, and overall more predictable ballistics, benefiting both competitive shooters and practical users. CN Jagd & Schießsport recommends the RCBS neck sizing die .223 Rem #11130 for anyone who wants to systematically adapt ammunition to the geometry of their firearm and thereby sustainably increase accuracy, consistency, and confidence in their equipment.