This is a custom insert system for the Apache 1800 Case designed to securely store and organize 9mm ammunition. The model was dimensioned using 115 grain FMJ 9mm Luger rounds and holds a total of 300 rounds (150 rounds shown in photos).

Overview

The system consists of four printed parts:

• bottom_tray

• top_tray

• lid

• lid_insert

When fully assembled inside the case, everything fits tightly with no room for movement.

Bottom Tray (150 rounds)

The bottom_tray holds 150 rounds and is designed to remain in the case long-term.

• Features a fillet along the bottom edges to match the inner contours of the Apache 1800 case.

• Not intended for frequent removal.

• Forms the foundation for the rest of the system.

Top Tray (150 rounds)

The top_tray sits directly on top of the bottom tray and also holds 150 rounds.

• Easily removable for access to the lower tray.

• Designed for quick range access and convenient handling.

Lid Storage System

The lid assembly creates additional storage space inside the case lid.

Lid

Friction fits into the case lid.

• Includes a rectangular cutout for the lid_insert.

• Uses four 0.118 in L × 0.315 in disc magnets glued in place with an epoxy/E6000 or equivalent.

Lid Insert

Fits into the lid’s rectangular opening.

• Also uses four 0.118 in L × 0.315 in disc magnets glued in place with an epoxy/E6000 or equivalent.

• Creates a storage cavity behind it for empty ammo boxes, notes, etc.

• Includes two finger slits for removal.

• The magnets are strong; if needed, a zip tie threaded through the slits provides additional leverage for removal.

Fitment and Notes

• Measured using 115 grain FMJ 9mm Luger.

• Total capacity: 300 rounds (150 per tray).

• Designed specifically for the Apache 1800 case.

• When assembled, the case closes securely with no internal movement.

This insert provides a clean, organized way to store bulk 9mm while maximizing the usable space of the Apache 1800 case.

Apache 1800 9mm Ammo Case Insert - 300 Round Capacity

0.2mm layer, 2 walls, 15% infill