What dies are compatible with the Redding 73190 heat-treated steel neck sizing bushing?

The Redding 73190 bushing features a standard 1/2 inch outer diameter and 3/8 inch length, making it fully compatible with all Redding Type S Bushing Sizing Dies and Redding Competition Bushing Neck Sizing Dies. It also interchanges smoothly with other standard Wilson-style bushing dies from brands like RCBS and Hornady that accept 1/2 inch O.D. bushings. However, it will not fit non-standard or proprietary systems such as standard Forster non-bushing dies.

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

No electrical compliance or SAA/RCM certification is required because the Redding 73190 is a completely unpowered, mechanical reloading accessory. It operates entirely by hand pressure within your reloading press, meaning it is exempt from 240V mains power and electrical regulatory frameworks in all Australian states and territories.

How do I determine if the 0.190 inch sizing size is correct for my specific .17 calibre cartridges?

Redding specifies selecting a bushing size that is 0.001 to 0.002 inches smaller than the outside neck diameter of a fully loaded cartridge with your chosen bullet seated. For optimal precision with .17 calibre variants like the .17 Remington or .17 Hornet, you should measure your brass wall thickness and loaded neck diameter to confirm the 0.190 inch dimension achieves your desired neck tension.

What maintenance is required to ensure longevity and prevent corrosion for this heat-treated steel bushing in Australian workshop environments?

The Redding 73190 is crafted from heat-treated steel hardened to Rockwell Rc 60-62 with a hand-polished interior to minimise sizing friction. To maintain its precision surface and protect it from humidity or outback workshop conditions, simply wipe the bushing clean of any residual case lube and apply a light coat of protective gun oil or rust preventative before storing.

Neck Sizing Bushing - Redding 73190

The Redding .190 Heat-Treated Steel Neck Sizing Bushing sizes the outside of cartridge case necks to an exact 0.190 in (4.826 mm) inside diameter, providing precise neck tension control during handloading. Built for reloading precision sub-calibre cartridges, this bushing reduces brass working and minimizes runout by eliminating the need for an expander ball. It is heat-treated to an approximate hardness of Rockwell Rc 60–62 and features a hand-polished interior sizing surface to reduce sizing friction.

Precise Neck Sizing: Delivers an internal sizing diameter of 0.190 in (4.826 mm), enabling exact case neck tension adjustment to improve cartridge concentricity and extend brass life.
Durable Hardened Steel: Constructed from steel heat-treated to Rockwell Rc 60–62 with a hand-polished interior surface for consistent sizing performance.
Standard Die Interface: Features an industry-standard 1/2 in (0.500 in / 12.7 mm) outer diameter and 3/8 in (0.375 in / 9.525 mm) length for broad reloading die compatibility.
Extensive Compatibility: Freely fits all Redding Type S Full-Length Sizing Dies, Type S Neck Bushing Dies, and Competition Bushing Neck Sizing Dies, as well as compatible 1/2 in O.D. bushing dies from other manufacturers.

Product Specifications

Product Name: Redding .190 Heat-Treated Steel Neck Sizing Bushing
Manufacturer SKU: 73190
Material: Heat-treated steel with hand-polished interior
Hardness: Rockwell Rc 60–62
Inside Diameter (Sizing Size): 0.190 in (4.826 mm)
Outer Diameter: 0.500 in (12.7 mm)
Length: 0.375 in (9.525 mm)
Power Requirements: None (manual reloading tool)

Who is the Redding .190 Heat-Treated Steel Neck Sizing Bushing for?

Precision handloaders loading .17 calibre variants — sizes cartridge case necks to a fixed 0.190 in (4.826 mm) inside diameter to achieve proper neck tension on sub-calibre brass such as .17 Remington, .17 Hornet, and .17 Fireball.
Reloaders using Redding Type S or Competition Bushing Sizing Dies — integrates directly into standard die cavities using its 0.500 in (12.7 mm) outer diameter and 0.375 in (9.525 mm) length, with Rockwell Rc 60–62 steel preventing wear across high-volume sizing cycles.

Less suitable for: Handloaders using non-standard or proprietary systems like non-bushing dies or oversize 50 BMG dies, or those loading cartridges with neck wall dimensions that require an internal sizing diameter other than 0.190 in; these applications require standard fixed-dimension sizing dies, dedicated large-format bushings, or alternate-diameter neck sizing bushings.

SKU	RD41749LP
Model #	73190
Brand	Redding
Shipping Weight	1.0000kg

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Redding 73190 Steel Neck Sizing Bushing 0.190 In

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