Redding Master Hunter (Mh-C) Die Set .300 Rem Ultra Mag (Carbide)

The Redding Master Hunter die set for .300 Rem Ultra Mag is purpose-built for serious hunters who demand reliable, consistent ammunition when it counts. This carbide die set combines Redding's proven full-length sizing technology with their competition-grade seating die—the same precision engineering trusted by match shooters, adapted for the field where follow-up shots need to perform under pressure. If you're handloading for a magnum hunting rifle, this set gives you the tools to produce ammunition that chambers smoothly and seats bullets with match-grade consistency.

The carbide full-length sizing die is the workhorse here. It resizes the entire case to SAAMI spec, which matters in hunting rifles where you might need to shoot from different positions or fire multiple rounds in succession. Carbide construction means less maintenance—no lubing cases before sizing—and faster reloading sessions. Paired with the competition seating die, you get bullet-to-primer runout control that translates to more predictable ballistics downrange, whether you're shooting 165-grain hunting bullets or heavier magnum loads.

This isn't a generic die set; it's the result of Redding's experience building match dies refined into a hunter's tool. The Master Hunter line bridges the gap between basic hunting loads and competition-level precision, letting you build ammo that's as reliable as your rifle deserves.

Key Features

• Full-length sizing die with carbide button—no case lube required
• Competition seating die for consistent bullet seating and runout control
• Sized specifically for .300 Rem Ultra Mag
• Designed for hunters who need reliable, repeatable ammunition

Specifications

Frequently Asked Questions

Do I need to lubricate cases with the carbide sizing die?

No. The carbide button in the sizing die eliminates the need for case lube, which saves time and keeps your reloading bench cleaner.

What makes this different from a standard hunting die set?

The Master Hunter set pairs a full-length carbide sizing die with a competition seating die, giving you both the reliability hunters need for follow-up shots and the precision seating control that match shooters demand. It's a crossover set built on the success of Redding's National Match dies.

Is this set compatible with my .300 Rem Ultra Mag rifle?

Yes, this die set is sized specifically for .300 Rem Ultra Mag. Full-length sizing resizes the case to SAAMI specifications, so it will chamber in any standard .300 Rem Ultra Mag rifle.

What dies are included?

The set includes a full-length sizing die with carbide button and a competition seating die.