Will this 12-gauge die set allow me to load 3-inch or 3-1/2-inch magnum waterfowl hulls on my Hornady 366 Auto?

No, this specific model (010350) is strictly engineered for 12-gauge, 2-3/4 inch hulls. If you intend to load longer magnum shells, you will need separate specialised conversion tooling as standard 2-3/4 inch dies will not accommodate the increased hull length.

Can I use these dies on a standard single-stage or progressive reloading press from other brands like Redding or Lee?

No, this die set is exclusively designed to fit the Hornady and vintage Pacific 366 Auto progressive shotshell reloading press. It cannot be used on standard metallic single-stage or progressive presses that utilise standard 7/8"-14 threaded dies.

Are there any electrical compliance requirements or SAA certifications needed to operate this die set in Australia?

No, the Hornady 366 Auto 12 Ga Die Set consists entirely of non-powered, mechanical steel tooling components. Therefore, Australian electrical compliance, 240V compatibility, and SAA/RCM certifications do not apply to this product.

How should I maintain this precision steel tooling to prevent rust during humid Australian coastal conditions?

As unplated precision-machined steel components, these dies require indoor dry bench storage. It is recommended to apply a protective anti-corrosion oil or case lube like Redding Imperial Sizing Die Wax to the metal surfaces when storing the press for extended periods in high-humidity environments.

Reloading Die Set - Hornady 010350

The Hornady 366 Auto 12 Ga Die Set (SKU 010350) provides full replacement tooling or calibre conversion capability for the Hornady and vintage Pacific 366 Auto progressive shotshell reloading press. Machined specifically for 12-gauge hulls with a 2-3/4-inch shell length, this mechanical tooling set equips the progressive press across all stations to resize, deprime, prime, and crimp ammunition at production speeds reaching several hundred rounds per hour.

Key Features

Progressive Station Integration: Performs full-length shell sizing, spent primer removal, primer seating, and hull conditioning across consecutive stations on the 366 Auto chassis.
3-Stage Taper-Loc Crimp Tooling: Features a complete progressive crimping assembly comprising an initial crimp starter for 6-point or 8-point folds, a crimp-depth closing plunger, and a final radius taper-crimp stage to produce factory-profile closures.
Precision Machined Steel: Built from solid mechanical steel tooling that mounts directly to the proprietary Hornady 366 tool head without requiring 7/8"-14 threaded die adapters.
Mechanical Operation: Operates entirely via manual press linkage, requiring no electrical connections or external power sources.

Specifications

Product Name: Hornady 366 Auto 12 Ga Die Set
Model / SKU: 010350
Cartridge / Gauge: 12 Gauge
Compatible Shell Length: 2-3/4 inch (70 mm)
Press Compatibility: Exclusively fits Hornady 366 Auto and Pacific 366 progressive shotshell presses
Threading: Proprietary Hornady 366 station fitment (does not use standard 7/8"-14 metallic press threading)
Tooling Material: Precision-machined steel

Who is the Hornady 366 Auto 12 Ga Die Set for?

Clay target shooters — Requires high-volume progressive cycling to assemble bulk ammunition batches for Trap, Skeet, or Sporting Clays, using this progressive shotshell press die set to load 12-gauge, 2-3/4-inch (70 mm) target hulls with factory-style taper crimps.
Waterfowlers — Needs consistent, bulk production of 12-gauge field ammunition, relying on this die set to size, prime, and crimp standard 2-3/4-inch shotshells across continuous multi-station press operations.

Less suitable for: Reloaders processing 3-inch or 3-1/2-inch magnum shotgun hulls, operators loading 20-gauge, 28-gauge, or .410 bore ammunition, or reloaders using standard 7/8"-14 threaded single-stage metallic presses; these applications require dedicated gauge-specific conversion sets, extended magnum tooling, or standard single-stage shotshell reloading presses.

SKU	HN42415LP
Model #	010350
Brand	Hornady
Shipping Weight	1.0000kg

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Hornady 010350 366 Auto Die Set 12 Gauge 2-3/4 Inch

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