Will the Redding 55728 seating stem fit my standard non-competition Redding 7mm seating die?

No, this stem is engineered exclusively for Redding Competition Seating Dies and is incompatible with standard, non-competition Redding dies that utilize threaded seat plugs. It is specifically designed to drop into the floating sleeve of the competition series.

Can I use the Redding 55728 stem with conventional round-nose or flat-nose 7mm hunting projectiles?

It is not recommended for traditional tangent-ogive, flat-nose, or round-nose projectiles. The VLD internal geometry is shaped specifically for secant ogive high-BC bullets, and using it on blunt profiles may cause the stem to seat too deeply or incorrectly; for standard bullets, the factory Redding stem Part #55028 is recommended.

How can I easily identify this specific VLD stem from standard stems on my reloading bench?

The Redding 55728 features a distinctive groove milled around the middle of the steel body specifically for quick visual identification. Measuring approximately 25.4 mm in length, this machined groove ensures you instantly grab the correct stem for your VLD and hybrid match bullets.

Does this mechanical reloading accessory require any electrical compliance certifications for use in Australia?

As a completely unpowered, precision-machined steel mechanical component operating at 0V, electrical standards such as 240V requirements, SAA approvals, and RCM compliance markings are entirely not applicable to this product.

Which specific 7mm bullet profiles and cartridges are optimized for use with the Redding 55728?

This stem is built for 7mm (.284 calibre) bottleneck cartridges like the 7mm Remington Magnum, 7mm PRC, and 7mm-08 Remington when loading high-BC Very Low Drag bullets such as Berger VLDs and Hornady ELD-M or ELD-X projectiles. Its interior contact angle engages the long secant ogive lower down, preventing tip deformation and runout.

7mm VLD Seating Stem - Redding 55728

The Redding Competition VLD Seating Stem for 7mm Dies (MPN: 55728) is a precision-machined steel replacement stem engineered specifically for bottleneck cartridges in Redding Competition Seating Dies. Measuring approximately 25.4 mm (1.0 inch) in length, this mechanical reloading component features a proprietary internal cavity contour that contacts high-ballistic-coefficient, Very Low Drag (VLD) secant ogive projectiles lower on the bullet profile. By driving the bullet by the ogive rather than the delicate tip, it prevents tip deformation and minimizes bullet runout during the seating stroke.

Key Features

Internal VLD Cavity Profile: Engineered to match the steep secant ogive of modern long-range projectiles, transferring seating pressure away from fragile bullet tips to prevent crushing and preserve ballistic integrity.
Floating Alignment Design: Maintains Redding's floating stem fitment within the competition seating die sleeve, allowing self-centring operation for straight-line concentric seating.
Grooved Outer Profile: Features a dedicated machined identification groove around the middle of the stem body to allow instant visual differentiation from standard-profile seating stems.
All-Steel Construction: Precision-turned from high-grade steel to resist wear across high-volume reloading cycles.

Specifications

Manufacturer Part Number (MPN): 55728
Calibre Compatibility: 7mm (.284 Calibre) bottleneck cartridges (including 7mm-08 Remington, .284 Winchester, 7mm Remington Magnum, 7mm PRC, 7mm BR, 7mm TCU, and .280 Remington)
Die Compatibility: Exclusively fits Redding Competition Seating Dies (bottleneck series)
Length: Approximately 25.4 mm (1.0 inch)
Weight: Approximately 15 to 30 grams
Material: Precision-machined steel
Power Requirements: None (manual reloading component)

Who is the Redding Competition VLD Seating Stem for 7mm Dies for?

Long-range F-Class and PRS competitors — seeking to eliminate bullet runout and prevent meplat crushing when straight-line seating 7mm (.284 Calibre) match secant ogive projectiles using a 25.4 mm competition seating stem inside Redding competition dies.
Precision hunting handloaders — seating long, high-BC VLD hunting projectiles across 7mm (.284 Calibre) bottleneck cartridges to uniform depths without deforming the hollow point or polymer tip.

Less suitable for: Reloaders using standard non-competition dies with threaded 1/2"-20 or 9/16" seat plugs, or those loading conventional tangent-ogive, flat-nose, or round-nose projectiles; a standard factory-profile seating stem (such as Part #55028) is recommended instead to avoid seating too deeply on blunt bullet noses.

SKU	RD102466LP
Model #	55728
Brand	Redding
Shipping Weight	0.1000kg

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Redding 55728 Competition Vld Seating Stem 7mm Dies Steel

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