RCBS Neck Sizer Die .300 Win. Magnum Specifications: Manufacturer: RCBS Made in USA In production since N/A Warranty: 2 years SKU: RCBS15330 Die operation: Neck sizing Pack size: Single Bushing: No Case body design: Bottle neck Case type: Rifle Sizing die material: Steel Material: No Adjustment: Standard Press compatibility: Standard 7/8"-14 thread Bullet Diameter (mm).: 7.82mm Bullet Diameter (inch).: 308 Gauge.: 0 Suitable for Calibers: .300 Win. Mag., .300 Winchester Magnum