12 Gauge Shotgun Shell Tray for Ammo Box

Design preview. Rendered from the file, not a photo.

The maker says it fits: Standard ammo box (126mm x 126mm). See the proof

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What it does

Keeps 12 GA shells organized inside your standard ammo box (126mm × 126mm)
Simple drop-in design, no screws, no fuss, just instant order
Perfect for range days, hunting trips, or workshop storage
Compact footprint fits small-format ammo cans and storage bins

If you're always hunting for loose shotgun shells at the bottom of your ammo box, this little tray is one of those useful 3D prints that just makes sense. It's a straightforward organizer designed to fit inside a standard 126mm × 126mm ammo box, giving your 12 gauge shells a tidy home instead of rattling around like loose change.

The tray drops right in, no assembly, no hardware, just a clean grid that keeps each shell upright and easy to grab. Whether you're prepping for the range, heading out for a hunt, or just tidying up the garage, it's a simple fix for a common frustration.

Small format, big impact. Sometimes the best tool organization comes from the simplest ideas.

What it fits

The maker says it fits: Standard ammo box (126mm x 126mm)

That is the maker's word, not a fit we measured. Check the size below against your own.

Standard ammo box (126mm x 126mm) (model 126mm)From the maker's own listing notes, checked 2026-08-13. See the original post

What you get

This design prints as one piece.
Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.

Who made this design

Shared under BSD. See the original design