Are these RCBS .350 Legend dies made of carbide, or do I need to use case lube?

The RCBS 350 Legend 3 Die Set features hardened steel construction rather than a carbide ring. Because of this, case lubrication is strictly required before sizing to prevent cases from sticking or damaging the dies.

What reloading presses are compatible with the RCBS R21904 die set?

These dies feature a standard 7/8"-14 thread pitch, making them fully compatible with major single-stage and progressive reloading press brands such as RCBS, Hornady, Lee, Lyman, and Redding. You will also need an RCBS #10 shell holder or shell plate, which is sold separately.

Does this die set apply a roll crimp or a taper crimp for the .350 Legend cartridge?

The seating die in this set applies a uniform roll crimp into the bullet's cannelure. This mechanical lock is ideal for securing straight-wall rifle bullets against heavy recoil or the feeding cycles of rifles chambered in .350 Legend.

Does this reloading tool require any electrical safety certifications or SAA/RCM approval for use in Australia?

No. The RCBS 350 Legend 3 Die Set is a purely mechanical, non-powered hand tool with no electrical components, cords, or plugs. Therefore, it does not require 240V compatibility, SAA approval, or RCM certification for use on your Australian reloading bench.

350 Legend Die Set - RCBS R21904

The Rcbs 350 Legend 3 Die Set is a mechanical, non-powered reloading toolset designed specifically for handloaders reloading the straight-wall .350 Legend rifle cartridge. Manufactured from hardened proprietary steel, this Group C die set provides the necessary mechanical progression required to process straight-wall cases, which cannot be loaded using standard two-die bottleneck sets. This three-die configuration prep, sizes, and loads the brass to SAAMI dimensions on standard stationary benchtop reloading presses featuring standard 7/8"-14 threads.

Key Features

Steel Sizer Die: Resizes fired .350 Legend brass back to minimum SAAMI dimensions and depresses the spent primer using an integrated decapping unit.
Expander Die: Expands the case mouth to the proper diameter and applies a slight case-mouth flare to assist with smooth bullet seating.
Roll Crimp Seater Die: Seats the bullet to the correct depth and applies a uniform roll crimp into the bullet's cannelure to prevent bullet movement during recoil or feeding cycles.
Hardened Steel Construction: Built from durable, non-carbide hardened steel for precise tolerances and extended service life.
Standard Threading: Features a standard 7/8"-14 thread pitch to ensure compatibility with most major reloading press brands.

Product Specifications

Manufacturer Part Number (MPN): 21904 (or R21904)
Thread Pitch: Standard 7/8"-14 thread
Material: Hardened steel (non-carbide)
Weight: 0.703 kg
Physical Shipping Dimensions: 152 mm (L) x 114 mm (W) x 44 mm (H)
Inclusions: Steel Sizer Die, Expander Die, Roll Crimp Seater Die, plastic storage box, and instruction manual
Compatibility: .350 Legend straight-wall cartridge brass (requires RCBS #10 shell holder or shell plate, sold separately)

Who is the Rcbs 350 Legend 3 Die Set for?

Straight-wall rifle handloaders — requires a dedicated .350 Legend reloading die set built with standard 7/8"-14 threads to properly resize, expand, and seat straight-walled rifle cases that cannot be processed by bottleneck cartridge dies.
Benchtop reloading enthusiasts — utilizes this 0.703 kg hardened steel .350 Legend reloading die set to secure reliable roll crimping and consistent bullet depth when using stationary reloading presses.

Less suitable for: high-volume reloaders seeking lubrication-free resizing, as this hardened steel die set requires manual case lubrication to prevent cases from seizing, or those reloading bottleneck cartridges which require calibre-specific bottleneck reloading dies.

SKU	RC39202LP
Model #	R21904
Brand	Rcbs
Shipping Weight	1.0000kg

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Rcbs R21904 350 Legend 3-Die Set 350 Legend Steel Reloading

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