What is the difference between this Small Base Type S Die and a standard Redding full length die for the 223 Remington?

The Redding 77323 small base die sizes the case body and lower base section approximately .001 to .002 inches smaller than standard SAAMI full length dies. This extra sizing ensures reliable chambering and extraction in semi-automatic rifles like AR-15s, straight-pulls, and tight-tolerance custom chambers, whereas standard dies are generally recommended for standard bolt-actions to maximise brass lifespan.

Does this die come with a neck sizing bushing included?

No, Redding Type S dies do not include neck sizing bushings in the box, as they must be purchased separately to match your specific loaded neck diameter. You will need to select an appropriate bushing size, such as the Redding 73333 heat-treated steel neck sizing bushing, to achieve precise neck tension control.

What shellholder do I need to use with the Redding 77323 223 Rem Small Base Die?

This die features an industry-standard 7/8"-14 TPI thread that fits most single-stage and turret reloading presses. For proper shell retention during the sizing stroke, it requires a standard Redding #10 shellholder or a Redding Competition Shellholder #10, which are sold separately.

Are there any electrical compliance requirements or special plugs needed to use this reloading die in Australia?

No, this is a purely mechanical, non-powered reloading tool requiring no electricity, so Australian 240V mains power standards and SAA or RCM electrical certifications do not apply. It is well-suited for Australian outback reloading benches where you only need standard press leverage and high-pressure case lubrication to prevent stuck cases.

223 Rem Sizer Die - Redding 77323

The Redding 223 Rem Small Base Type S - Full Length Die is a precision metallic reloading die engineered to restore fired .223 Remington and 5.56×45mm NATO brass to dimensions that ensure flawless chambering and extraction. This die sizes the case body and lower base approximately .001" to .002" smaller than standard SAAMI full-length dies. Utilising interchangeable Type S neck bushings, it gives handloaders precise control over neck tension and projectile concentricity while minimising work-hardening on .224" diameter projectile necks.

Key Features

Small Base Sizing: Sizes the lower cartridge base and body .001" to .002" tighter than standard dies, eliminating feeding and extraction issues in fast-cycling actions.
Type S Bushing System: Accepts freely centering Redding interchangeable neck bushings (sold separately in .001" increments) to regulate neck tension without over-working the brass.
Dual Decapping Configuration: Features an adjustable decapping assembly that includes both a standard expander ball for unturned brass and a minimal retainer pin for neck-turned cases.
Body Die Versatility: The internal bushing and decapping assembly can be removed, allowing the unit to function strictly as a small-base body sizing die.

Product Specifications

Calibre Compatibility: .223 Remington / 5.56×45mm NATO (.224" bullet diameter)
Thread Standard: 7/8"-14 TPI industry-standard press thread
Shellholder Requirement: Redding #10 shellholder (Part #11010) or Competition Shellholder #10
Base Reduction Dimension: Approximately .001" to .002" under standard SAAMI full-length dimensions
Operation: Manual, mechanical reloading press tool

Who is the Redding 223 Rem Small Base Type S - Full Length Die for?

Service rifle and target competitors — Requiring non-binding, match-grade ammunition for rapid-fire AR-15 and straight-pull platforms, this small base sizing die resizes fired .223 Remington cases down an extra .001" to .002" at the base while seating securely in standard 7/8"-14 TPI threaded presses.
Pest controllers and field hunters — Demanding 100% feeding reliability in pump-action, lever-action, or tight-tolerance platforms chambered in 5.56×45mm NATO/.223 Remington, this die pairs with a Redding #10 shellholder to consistently clear minimum-spec chambers without mechanical chambering resistance.

Less suitable for: Standard factory bolt-action rifles where fire-formed brass is fired repeatedly in the same chamber; shooters working with generous factory tolerances will achieve longer brass life using a standard full-length sizing die or a dedicated neck-sizing die rather than a small-base die.

SKU	RD41839LP
Model #	77323
Brand	Redding
Shipping Weight	1.0000kg

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Redding 77323 Small Base Sizing Die 223 Remington 7/8-14 Tpi

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