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12GAUGE Milspec Ammo Can Insert V2 Design & Spacer 3D Printer File Image 1
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12GAUGE Milspec Ammo Can Insert V2 Design & Spacer

jimmyp666 avatarjimmyp666

March 13, 2026

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Description

Custom-Fit Stackable 12GAUGE Trays for Mil-Spec 30-Cal Ammo Can

These precision-designed trays are specifically engineered for Mil-spec 30-cal ammo cans and hold 26 rounds of 12GAUGE 2 ¾" or 1 ¾" mini shells each.

 

Key Features:

  • Optimized honeycomb pocket design for secure 12GAUGE storage
  • Moon-shaped lifting cutouts on each tray for easy removal from the can
  • Cutouts double as compartments for desiccant packs to keep ammunition dry
  • Embedded (recessed) caliber labeling for a clean, professional appearance

Included Spacer Kit The model comes with a spacer set to ensure a perfect, uniform fit from bottom to top:

  • 5mm bottom spacer with cutout to accommodate the factory bump in the can floor
  • 5mm top spacer for a clean, flush fit over the top layer of rounds
  • Adjust the bottom spacers Z-height for a perfect fit for your can

Capacity Up to 2 trays fit in one standard 30-cal ammo can, for a total of 52 rounds. of 2 ¾" shells

Capacity Up to 3 trays fit in one standard 30-cal ammo can, for a total of 78 rounds. of 1 ¾" mini shells

Printing Specifications Printed with a 0.4 mm nozzle Approximately 163g of PLA filament per tray

Upcoming Calibers Additional tray designs are in development, including:  22WMR, 44Magnum, .357 Magnum/.38 Special, .308WIN, and more.

 

Check out my other models https://makerworld.com/en/@jimmyp666/upload

 

Boost MeI super appreciate any boost, It helps me develop new useful items. 😁 Thanks

 

License:

Standard Digital File License

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