What is the primary difference between the Redding 08446 Small Base Die and a standard full-length sizing die for 6.5 Creedmoor?

The Redding 08446 small base die sizes the lower body and shoulder of 6.5 Creedmoor brass approximately 0.001 to 0.002 inches smaller than standard SAAMI full-length dies. This tighter dimensioning ensures reliable chambering and smooth extraction, which is especially critical when cycling brass through semi-automatic AR-10 platforms or custom match barrels with tight chambers.

Will this die work on my existing single-stage reloading press, and what shellholder do I need?

Yes, the Redding 08446 features an industry-standard 7/8"-14 thread interface designed to fit virtually all standard single-stage and progressive reloading presses. For proper operation, it requires a standard Redding #1 shellholder or an equivalent competition shellholder, which is sold separately.

Are there any special lubrication requirements when using this small base die to prevent stuck cases?

Because small base dies work the brass slightly more than standard dies to tighten the base dimensions, proper case lubrication is essential to prevent stuck cases. We recommend using a high-quality lubricant such as Redding 07500 Imperial Sizing Die Wax applied sparingly to the case body before sizing.

Does this mechanical reloading die require any electrical compliance or SAA/RCM certification for use in Australia?

No electrical compliance or SAA/RCM certification is required. The Redding 08446 is a purely mechanical handloading tool weighing approximately 0.5 lbs, meaning it does not plug into 240V mains power and is entirely safe and legal for handloaders across all Australian states and territories.

6.5 Creedmoor Die - Redding 08446

The Redding 6.5 Creedmoor Small Base Full Length Sizing Die (Manufacturer Part Number: 08446) is a precision metallic cartridge reloading die engineered for handloaders requiring guaranteed chambering clearance. Machined from heat-treated alloy steel hardened to an Rc 60–62 rating, the die features hand-polished sizing surfaces to minimise sizing resistance and brass galling. Designed specifically for 6.5mm Creedmoor cases (utilising 0.264" bullet diameter projectiles), it reduces the lower body, base, and shoulder dimensions approximately 0.001" to 0.002" smaller than standard full-length sizing dies.

Key Features

Small Base Sizing: Resizes the lower body and shoulder to slightly tighter tolerances than standard SAAMI dimensions to prevent extraction and chambering failures.
Integrated Decapping Assembly: Includes a complete internal decapping rod and expander button to decap spent primers and expand the case neck in a single mechanical stroke.
Hardened Alloy Construction: Heat-treated to Rc 60–62 hardness with hand-polished sizing diameters to prevent case galling and prolong die service life.
Standard Press Integration: Features universal 7/8"-14 threading for direct compatibility with standard single-stage and progressive reloading presses.

Specifications

Calibre Compatibility: 6.5mm Creedmoor (0.264" projectile diameter)
Thread Interface: 7/8"-14 thread pitch
Shellholder Compatibility: Redding #1 shellholder (sold separately)
Material Hardness: Rc 60–62 heat-treated alloy steel
Weight: Approximately 0.5 lb (227 g)
Operation: Manual / mechanical handloading press (no electrical power required)

Who is the Redding 6.5 Creedmoor Small Base Die for?

Semi-automatic rifle reloaders — Requires 7/8"-14 threading press compatibility to resize spring-back brass fired from AR-10 platforms, restoring lower-case dimensions by an additional 0.001" to 0.002" to prevent semi-automatic feed jams.
Precision rifle competitors — Relies on heat-treated alloy steel hardened to Rc 60–62 to consistently size 6.5mm Creedmoor cases for custom match rifle barrels built with minimum-spec or tight-tolerance chambers.

Less suitable for: Handloaders processing non-Creedmoor cartridges, as this die is incompatible with other 6.5mm cartridges such as 6.5 PRC or 6.5x55 Swedish; reloaders shooting standard-dimension bolt-action chambers who want to extend brass life should use standard full-length sizing dies or Type S bushing sizing dies instead.

SKU	RD41426LP
Model #	08446
Brand	Redding
Shipping Weight	1.0000kg

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Redding 08446 Small Base Die 6.5 Creedmoor 7/8-14 Thread

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