Will the Redding 55109 competition seating die work with 223 Remington or 22-250 Remington brass?

No, this specific model (55109) is strictly engineered for 222 Remington bottleneck cases and 224-inch projectiles. It is incompatible with 223 Remington or 22-250 Remington brass, which require separate dedicated dies such as the Redding 55111 and 55106 respectively.

Does this seating die apply a crimp to the cartridge during the bullet seating process?

No, the Redding 55109 is purposefully manufactured without an internal crimp ring or shoulder. This design choice maintains absolute case straightness and prevents neck deformation, meaning you will need a separate taper or roll crimp die if your load requires one.

What kind of press threading and seating adjustments does this die feature?

This die utilizes standard industry 7/8"-14 reloading press threading and features a top-mounted micrometer barrel graduated in precise 0.001-inch increments. It also incorporates a hand-honed internal sliding sleeve that pre-aligns the entire case and projectile before seating begins to minimize runout.

Are there any special Australian electrical or regulatory compliance requirements for purchasing this die?

No, the Redding 55109 is a completely mechanical reloading tool requiring no electricity, batteries, or 240V mains power. Because it is a manual workshop accessory, it does not require SAA or RCM electrical certifications and is fully legal for import and use across Australia under local reloading guidelines.

222 Rem Seating Die - Redding 55109

The Redding Competition Seating Die for .222 Remington (MPN 55109) is a precision reloading tool engineered to seat .224" diameter projectiles into .222 Remington cartridge cases with minimal runout. It mounts directly into standard reloading presses using industry-standard 7/8"-14 threading. Featuring a free-floating, hand-honed internal alignment sleeve, the die fully supports the cartridge case and bullet before seating begins, maintaining concentricity throughout the press stroke. The top-mounted micrometer allows handloaders to dial and record seating depths in precise 0.001" increments without applying an internal crimp.

Key Features

Precision Micrometer Adjustment: Top-mounted barrel is graduated in 0.001" increments for repeatable, fine-tuned bullet seating depths and cartridge overall length (COAL) control.
Free-Floating Alignment Sleeve: Hand-honed internal sleeve supports and centres the .222 Remington case body and bullet prior to the seating operation to minimise Total Indicated Runout (TIR).
Standard Press Mounting: Uses standard 7/8"-14 threads to fit conventional single-stage and progressive reloading presses compatible with standard Redding #10 or Competition #11610 shellholders.
Precision-Ground Seating Stem: Factory fitted with the standard #55022 seating stem, shaped to contact standard bullet ogive profiles uniformly without deforming projectile tips.
Crimp-Free Alignment Design: Purposefully manufactured without an internal crimp ring to eliminate case neck distortion and maintain straightness during bullet seating.

Specifications

Cartridge Compatibility: .222 Remington
Bullet Diameter Compatibility: .224"
Mounting Interface / Threading: 7/8"-14
Adjustment Increments: 0.001"
Seating Stem: Standard #55022 (VLD stem #55722 available separately)
Operation: Manual / Mechanical
Packaged Weight: Approximately 450–500 g

Who is the Redding 222 Rem Competition Seating Die for?

Benchrest reloaders — Requires exact seating depth repeatability down to 0.001" increments on a 7/8"-14 threaded press to tune jump to rifling and eliminate bullet runout for extreme target accuracy in .222 Remington.
Varmint hunters — Requires a dedicated .222 Remington competition seating die that aligns .224" diameter projectiles within a close-tolerance floating sleeve to ensure straight, consistent field ammunition.

Less suitable for: Handloaders seeking to seat bullets in longer .223 Remington or .22-250 Remington brass, or those requiring an integrated crimp during seating; this application requires a cartridge-specific seating die matching the longer case dimensions or a dedicated separate crimping die.

SKU	RD41652LP
Model #	55109
Brand	Redding
Shipping Weight	1.0000kg

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Redding 55109 Competition Seating Die 222 Remington Micrometer

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