Description
The Hornady Lock-N-Load AP #29 Shellplate is the piece that lets your progressive press run a whole new family of cartridges without a full teardown. Machined from steel and sized for the 41 Remington Magnum case head, it drops onto the keyed drive hub and locks right into the five-station rhythm of the press. If you're adding a caliber to your bench or replacing a worn plate, this is the correct one for that case family.
What the #29 Shellplate Covers
Shellplates are grouped by case head dimension rather than by a single cartridge, so the #29 is the designated plate for 41 Remington Magnum on the Lock-N-Load AP and Pro-Jector presses. If you shoot more than one round that shares the same rim and head size, a single plate can handle all of them, which keeps your plate collection leaner than you'd expect.
Built to Keep Cases Where They Belong
Each shell pocket has a subtle radius machined at the mouth, which guides cases in cleanly and keeps the whole progressive cycle feeding without hang-ups. The retainer spring is designed to stay put while you're loading cases into the plate, so you're not chasing a popped spring across the bench mid-session. That little detail matters a lot when you're running volume and want consistent indexing stroke after stroke.
Compatibility You Can Count On
This plate fits current Lock-N-Load AP presses with the EZ-Ject system as well as the earlier wire ejector models, and it also works with the older Pro-Jector press. Hornady machines these from solid steel for long service life, and swapping between plates is quick once you've done it a time or two. It's a straightforward upgrade for anyone building out a progressive setup around multiple calibers.
Key Specifications
- Shellplate Size: #29
- Cartridge: 41 Remington Magnum
- Material: Steel
- Color: Silver
- Compatibility: Lock-N-Load AP (EZ-Ject and wire ejector models) and Pro-Jector presses
- Manufacturer: Hornady
- Manufacturer Part Number: 392629
- UPC: 090255926293
- Made In USA: Yes
- Quantity: 1 shellplate
What’s Included
- One Hornady Lock-N-Load AP #29 shellplate with retainer spring
Frequently Asked Questions
What cartridge does the Hornady #29 shellplate fit?
The #29 is the designated shellplate for 41 Remington Magnum on the Lock-N-Load AP and Pro-Jector presses. Because Hornady groups plates by case head size rather than a single caliber, it will also handle any other cartridge that shares the same rim and head dimensions.
Will this shellplate work on both the newer and older Lock-N-Load AP presses?
Yes. It fits current Lock-N-Load AP presses equipped with the EZ-Ject system as well as the earlier wire ejector models. Hornady also lists it as compatible with the older Pro-Jector press.
How do I know if the #29 is the right shellplate for my cartridge?
The safest route is to check Hornady's shellplate chart, which pairs each plate number to the cartridges it handles. The #29 lines up with 41 Remington Magnum, so if that's what you're loading, this is the plate you want.
Is this shellplate made of steel?
It is. The #29 is machined from solid steel, which gives it the durability to hold up through high-volume reloading sessions over the long haul. The rounded case mouth and retainer spring help keep cases feeding smoothly through the progressive cycle.




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