Hornady Custom Grade Full-Length Size Die 300 Win Mag
S118180
- Custom Grade full-length sizing die chambered for 300 Winchester Magnum — a reloading tool, not ammunition
- Sizes fired belted magnum brass to SAAMI minimum specification
- Elliptical Expander reduces neck friction and case neck stretch vs ball expanders
- Zip Spindle locks decapping assembly positively; fine-thread adjustment or rapid zip movement
- Sure-Loc lock ring clamps the full die body — locking screw never touches the threads
- Standard 7/8"-14 thread fits all major reloading presses
- Supplied with Sure-Loc lock ring, Elliptical Expander, headed decap pins and Zip Spindle — made in USA, lifetime warranty
The Hornady Custom Grade Full-Length Size Die for 300 Winchester Magnum is a single reloading die that resizes fired .308-bore brass back to SAAMI minimum specification for the belted magnum case, ensuring consistent chambering and reliable feeding. The die body is precision machined and polished to a fine internal finish, eliminating case sticking and keeping friction to a minimum even on the longer 300 Win Mag case. Hornady's Elliptical Expander sizes the neck smoothly and significantly reduces case neck stretch compared with conventional ball expanders; it is internally threaded to prevent pull-out and removes the need for a separate neck-up die. The Zip Spindle locks the decapping assembly positively to prevent slippage, with a light-thread system that allows precise incremental adjustment or rapid repositioning. Supplied with a Hornady Sure-Loc lock ring that applies even clamping pressure around the full die body — the locking screw never contacts the threads, and wrench flats allow clean removal. Standard 7/8"-14 thread. Made in the USA with Hornady's no-risk lifetime warranty.
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