Hornady Seater Die .308 300 Rem Ultra Mag Reloading Die

• In-line Bullet Seating System — floating sleeve aligns bullet, case neck and stem before seating for consistent depth and accuracy
• Built-in roll crimper — apply a firm crimp in the same stroke, no separate crimp die required
• Sure-Loc lock ring — clamps around die body, not threads, for secure and repeatable settings across load development
• Calibre: .308 (300 Remington Ultra Magnum) — for handloaders working with this high-performance .30-calibre magnum
• 7/8"-14 thread — compatible with all standard single-stage, turret and progressive presses
• Quick-disassembly retainer ring — strips down for cleaning in seconds
• Supplied with standard seating stem; shell holder not included — backed by Hornady's lifetime no-break guarantee

The Hornady .308 Seater Die for the 300 Remington Ultra Magnum is a precision bullet seating die built for handloaders working with one of the most powerful .30-calibre magnum cartridges available. The 300 RUM delivers exceptional long-range performance, and consistent bullet seating depth is critical to realising its potential — which is exactly where Hornady's In-line Bullet Seating System earns its place. A floating alignment sleeve holds the bullet, case neck and seating stem in perfect co-axial alignment before seating begins, preventing bullet cant and ensuring uniform seating depth across every case. The built-in roll crimper allows you to apply a crimp in the same stroke without an additional die, keeping your press setup straightforward. The Sure-Loc lock ring clamps around the entire die body rather than biting into the threads, so your seating depth setting stays locked in place even under the repeated adjustment cycles that long-range load development demands. A retainer ring at the base of the die allows fast, tool-free disassembly for cleaning. Supplied with a standard bullet seating stem; 7/8"-14 thread fits all standard single-stage, turret and progressive reloading presses. Shell holder not included. Backed by Hornady's lifetime no-break guarantee. Made in the USA.

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