Description
The Hornady PTX Powder Drop Expander in .430 is one of those small parts that makes a real difference once you've got it dialed in on a progressive press. It drops into the Case Activated Powder Drop and expands the case mouth at the same time powder is metered, so you get a properly flared case ready for bullet seating without dedicating a separate station to a case mouth expander die. For anyone loading on a Lock-N-Load AP, that extra open spot is worth its weight in gold.
How the .430 Powder Through Expander Earns Its Keep
The whole idea behind the PTX system is efficiency. Instead of running a stand-alone expander die, this expander does the flaring as part of the powder-through cycle. That opens up a station you can put to better use, whether that's a taper crimp die or a powder cop to keep an eye on your charges. For folks running 44 Magnum, 44 Special, or other rounds using .429 and .430 diameter bullets, this is the correct expander for the job.
Built to Work With Your Bullets
This .430 expander is machined from steel and plays nice with lead, plated, and jacketed bullets, so you're covered whether you're casting your own or feeding store-bought projectiles. It's a straightforward drop-in part that follows Hornady's Quick Start instructions, and swapping expanders during a caliber changeover is quick once you've done it a time or two.
Fitting the PTX Expander to Your Setup
This piece is designed specifically for Hornady's Case Activated Powder Drop on the Lock-N-Load AP progressive press, and it also works with the Quick Change Powder Die. If you run the pistol bullet feeder for plated or jacketed bullets, the PTX expander is part of that workflow too. It's a purpose-built component, so make sure your press is set up for the Case Activated Powder Drop before adding it to the lineup.
Key Specifications
- Manufacturer: Hornady
- Manufacturer Part Number (MPN): 290033
- UPC: 090255699876
- Model: PTX (Powder Through Expander)
- Expander Diameter: .430 (fits .429/.430 bullets)
- Caliber Family: 44 Caliber
- Material: Steel
- Bullet Compatibility: Lead, plated, and jacketed
- Press Compatibility: Lock-N-Load AP with Case Activated Powder Drop
- Country of Origin: Made in USA
- Quantity: 1 expander
What’s Included
- 1 Hornady PTX Powder Drop Expander (.430)
Frequently Asked Questions
What calibers does the .430 PTX expander cover?
This expander is sized for .429 and .430 diameter bullets, which puts it in the 44 caliber family. That covers popular loads like 44 Magnum and 44 Special. If you're loading a different bullet diameter, Hornady offers PTX expanders in other sizes to match.
Does the Hornady PTX Powder Drop Expander replace a separate expander die?
Yes. The PTX expander flares the case mouth during the powder-through cycle, so you don't need a stand-alone case mouth expander die. That frees up a station on your Lock-N-Load AP for something like a taper crimp die or a powder cop.
Will this work with lead bullets or just jacketed?
It works with lead, plated, and jacketed bullets. If you're running the pistol bullet feeder, Hornady notes it's best suited to plated and jacketed bullets, but the expander itself handles all three for standard powder-through loading.
What press do I need to use the PTX expander?
The PTX expander is built for Hornady's Case Activated Powder Drop on the Lock-N-Load AP progressive press, and it's also compatible with the Quick Change Powder Die. You'll want that powder drop system in place for the expander to do its job.




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