What specific dies are included in the Redding 29153 Master Hunter Deluxe Set for .300 Win Mag?

This three-die set includes a Full-Length Sizing Die featuring a carbide size button, a Standard Neck Sizing Die for fire-formed brass, and a Competition Bullet Seating Die equipped with a micrometer. This combination provides the versatility to switch between full-length sizing for reliable feeding and neck-only sizing for maximum brass life.

Does this Redding die set come with a shellholder and what press threads does it use?

The set uses standard 7/8"-14 reloading press threads, making it compatible with single-stage and turret presses commonly used in Australia like the RCBS Rock Chucker or Redding Big Boss. Please note that a shellholder is not included in the box and must be purchased separately, specifically a standard #6 shellholder such as Redding Part #11006.

Can I use this die set for other magnum calibres like the .300 WSM or .300 PRC?

No, the Redding 29153 die set is strictly chamber-cut and engineered exclusively for .300 Winchester Magnum brass cases using 0.308-inch projectiles. It is completely incompatible with .300 WSM, .300 PRC, or .300 Weatherby Magnum cases due to differing case dimensions and shoulder angles.

How precise is the bullet seating adjustment on the Competition Seating Die?

The Competition Seating Die features an integrated micrometer that is infinitely adjustable for ultra-precise bullet seating depth changes down to 0.001 inches. It also utilizes a free-floating seating stem and tight-tolerance sleeve to completely support the case and bullet, ensuring exceptional concentricity and minimal runout for long-range accuracy.

Do these steel dies require any special maintenance for use in humid or coastal Australian environments?

Yes, because the dies are constructed from machined heat-treated alloy steel without electrical components, they are susceptible to surface oxidation in humid or coastal climates. You should apply a light coat of anti-corrosion inhibitor oil or lubricant after use and store them in the provided protective storage case to ensure long-term longevity.

When should I use the neck sizing die versus the full-length sizing die during my reloading process?

The standard neck sizing die is intended solely for brass that has been fire-formed in your exact bolt-action rifle chamber to maximise case life and accuracy during load development. For hunting applications where flawless chambering and reliable feeding are critical—or if you shoot semi-automatic rifles—you should use the full-length sizing die with its carbide size button to return cases to SAAMI specifications.

300 Win Mag Dies - Redding 29153

The Redding 29153 Master Hunter Deluxe Die Set for .300 Winchester Magnum is a precision three-piece reloading die set engineered to produce match-grade hunting and target ammunition. Built from machined, heat-treated alloy steel, the set combines full-length resizing, fire-formed neck-only sizing, and micrometer-adjustable bullet seating. Designed for high-concentricity handloading, it mounts directly to standard reloading presses with industry-standard 7/8"-14 threading.

Key Features

Deluxe Three-Die Configuration: Includes a full-length sizing die, a standard neck sizing die, and a competition bullet seating die in one set.
Free-Floating Carbide Size Button: Factory-installed in the full-length sizing die to reduce neck friction and case stretch while minimising the requirement for inside-neck lubrication.
Competition Seating Precision: Uses a tight-tolerance internal bullet guide sleeve and a micrometer top adjustable in 0.001" increments to ensure bullet alignment and precise seating depth control.
Dual Sizing Versatility: Provides full-length resizing for hunting cartridges requiring reliable cycling, alongside neck-only sizing to extend case life on fire-formed brass.

Product Specifications

Calibre: .300 Winchester Magnum
Bullet Diameter Compatibility: 0.308 in
Press Thread Interface: Standard 7/8"-14
Required Shellholder: Redding #6 / Part #11006 (sold separately)
Construction: Heat-treated alloy steel with carbide expander button
Packaged Weight: Approximately 0.7–0.9 kg

Who is the Redding Master Hunter Deluxe Die Set for .300 Winchester Magnum for?

Long-range precision big-game hunters — who require reliable cartridge feeding and minimal runout for the .300 Winchester Magnum, utilising the competition seating die's 0.001" micrometer adjustments to fine-tune bullet jump for match-grade consistency in the field.
Handloaders developing accurate sub-MOA ammunition — who need to eliminate bullet runout and ensure tight concentricity by pairing this 300 Winchester Magnum reloading die set with standard 7/8"-14 threaded single-stage or turret presses.
Reloaders requiring full-length and neck-only versatility — who want to switch between standard full-length resizing for hunting trips and fire-formed neck sizing for bolt-action target shooting, adjusting depths via the built-in 0.001" micrometer seating stem.

Less suitable for: Reloaders shooting other .30-calibre cartridges such as .300 WSM, .300 PRC, or .300 Weatherby Magnum, or handloaders who turn case necks and require custom micrometer-level neck tension control (a dedicated bushing-style sizing die set with interchangeable neck bushings fits that situation better). Neck-only sizing is also restricted to brass fired in the exact same bolt-action chamber and should not be used for semi-automatic actions.

SKU	RD102903LP
Model #	29153
Brand	Redding
Shipping Weight	0.2000kg

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Redding 29153 Master Hunter Die Set 300 Win Mag Reloading

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