The Mighty Armory Gold Match .30-06 Springfield sizing and decapping die returns fired brass to true SAAMI specification from case head to neck with precise die adjustment. The die offers full-length headspace and concentric sizing to SAAMI spec with a simple turn of the die. Designed for hunters and precision reloaders who require smooth chambering, repeatable headspace control, uniform neck tension, and dependable performance in classic bolt-action and modern sporting rifles.
Why Full Length Sizing Matters for .30-06 Springfield
.30-06 Springfield brass is commonly fired in a wide range of rifle chambers, from vintage sporting rifles to modern precision platforms. Chamber dimensions, load pressure, and firing conditions all influence how brass expands. Without proper resizing, reloaders may experience:
- Tight chambering or sticky bolt lift
- Inconsistent extraction
- Pressure fluctuations
- Premature case fatigue
- Variable velocity spreads
The Gold Match .30-06 sizing die is engineered to bring fired brass back to SAAMI spec geometry from the base through the shoulder and neck. This ensures reliable chambering across different rifles, smooth feeding, and consistent bullet grip critical for hunting reliability and precision shooting.
Full Length Sizing to SAAMI Specification
The .30-06 sizing die uses an extended, full length sizing profile that returns cases to SAAMI specification without over-working the brass at the neck or shoulder and without leaving the base under-sized.
- SAAMI spec resizing provides:
- Predictable chamber fit
- Stable case pressure
- More uniform powder burn
- Reliable chambering and extraction
- Improved brass life over repeated reloads
Full length sizing is recommended for all rifle brass, particularly when loading for hunting rifles, multiple rifles, or mixed brass lots. Neck sizing alone cannot correct base expansion or chamber-specific deformation and often leads to feeding or bolt closure issues over time.
Precision Machined to Tight Tolerances
Mighty Armory Gold Match rifle sizing dies are precision CNC machined from high-grade tool steel to ensure repeatable sizing and consistent concentricity.
Each .30-06 sizing die features:
- Perfect vertical alignment
- Single-point cut internal geometry
- Extremely smooth 5-bore finish
- Heat treated to approximately 60 Rockwell hardness
The extended sizing geometry maintains uniform case shape from head to neck. Concentricity is held to approximately -.0005 at the case mouth and shoulder radius, helping promote consistent bullet alignment and repeatable point of impact.
The reloading die is single point cut finish with an extremely smooth sizing bore at 60 Rockwell hardness. A hard, smooth sizing surface that is consistent in sizing, especially head-spacing is of the utmost importance when reloading precision.
Drop-In Mandrel Expander Shaft
The .30-06 sizing die includes a Swiss-machined drop-in 30-06 mandrel shaft, heat treated to approximately 50 Rockwell for durability. The mandrel expander shaft ensures consistent case mouth expansion for repeatable bullet seating.
The internal threads accept:
- A Mighty Armory decapping pin, or
- A protective pointer that shields threads and helps guide the case into the die
The mandrel shaft seats concentrically inside the die bore with three points of contact, providing consistent alignment throughout the sizing stroke and secure lockup with the cap.
Size and Decap in One Pass
The Gold Match .30-06 sizing die resizes and decaps in a single operation for efficient case prep. The one-and-done sizing of your 30-06 brass will be effortless and will easily decap and resize over a million cycles. Adjust the die in your press by turning it up or down to easily set shoulder bump from zero to -.005.
Included features:
- Spring-loaded decapping assembly
- Two .078” diameter decapping pins
- Designed for long service life under high cycle counts
The spring decapping action reduces primer pullback and helps prevent press chute jams during extended loading sessions. Shoulder bump can be precisely set from zero to approximately -.005” by adjusting the die in your press.
Key Benefits
True full length resizing with shoulder bump adjustment up to -.005”
- The Mighty Armory FLHS die head space bump is now standard on our FL die
- Restores brass to SAAMI measurements
- 100% precision machined in the USA
- High-grade, heat-treated tool steel
- Smooth 5-bore internal finish
- Concentricity held to -.0005 at mouth and shoulder
- Modular, tool-free serviceability
- Designed for long-term durability
Resizing cases with the Mighty Armory Gold Match 30-06 Sizing Die will yield the precision you're looking for. Accurate sizing with Mighty Armory reloading dies enhances the safety, reliability and accuracy. The extended, full length size area prevents both under-sizing and over-sizing the case at the neck, shoulder and base. This will result in proper case pressure, cleaner powder burn, reliable chambering and extraction, absolute accuracy, and extended brass life for more reloads.
Full length sizing is recommended for all rifle cases as neck sizing can lead to overexpanded cases and reduce reloading times due to weakened brass.
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Case Lube Recommendation
For Single Stage or Turret Presses: We recommend a case sizing wax applied by your fingers.
For Progressive Presses: We recommend PEG75 lanolin spray
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