The Hornady Case Trimmer Pilot #17, .410 in. (Hornady part no. 390959) is a precision-ground replacement pilot for the Hornady case trimmer, sized to .410 in. so the case neck rides true against the cutter instead of wobbling off-center. It is sized for .41 Caliber cases. Hornady offers these pilots in a full range of diameters, since each one only fits the specific case-neck size it is ground for.

Key Specifications

• Pilot diameter of .410 in. matched to the case neck it is designed to guide during trimming.
• Pilot #17 designation cross-references directly to Hornady’s case trimmer pilot numbering for reordering.
• Fits the Hornady case trimmer installing in place of the stock pilot for a different case-neck diameter.
• Sized for .41 Caliber cases, keeping the case neck centered against the cutter during trimming.
• Ships at 0.05 lb a tiny, inexpensive part that is worth keeping a spare of for each caliber you trim.
• Precision-ground fit keeps the case mouth square to the cutter for an even, consistent trim.

Frequently Asked Questions

What does a trimmer pilot actually do? It centers the case neck against the cutter head so the trim comes out square and even instead of angled.

Is pilot #17 specific to one caliber? Yes, it is ground to .410 in., so it only rides true in case necks of that size.

Buy the Hornady Case Trimmer Pilot #17, .410 in.

Order the Hornady Case Trimmer Pilot #17, .410 in. from our Lubbock, Texas gun shop for fast, reliable shipping straight to your reloading bench. Check out our full reloading equipment for the rest of your case-prep lineup.