Ammo Box - 12/16/20 Gauge Shotgun Shells x 30

Shotgun Shell (Double Wide) Ammo Boxes — Built with BoxLoc

This box and inserts are designed to store up to 30 rounds of 2.75in, 3in, or 3.5in 12/16/20 gauge shotgun shells in a clean, modular format. It carries over the same smooth design language as my card boxes — rounded edges for comfort, a secure sliding hinge, and a crisp latch with an integrated finger lip for easy use.

Each ammo box includes removable inserts, making it simple to load, organize, and clean. The inserts fit snugly inside the box but can be lifted out when needed, giving you more flexibility for storage or transport. Like other BoxLoc designs, assembly is hardware-free — no tools, screws, or glue required.

Click below for the full Ammo Box Collection:

NEW! - 3-26-26

• Updated 12ga and NEW print profiles for 16ga and 20ga with additional bottom sizes that will accommodate up to 3.5in long shells.  
• Print plates have been labeled for the respective length of shell each will be able to hold. 

Highlights – Double Edition

• Holds 30 shells of 12/16/20ga ammunition
• Compatible with one 30 shell insert or two single 15 shell inserts
• Removable inserts for easy loading and organization
• Ammo size labels on the legs of the tray inserts for quick identification
• Rounded edges for comfort and a clean, finished look
• Refined rear hinge system for smooth, secure lid movement
• Crisp latches with integrated finger lips for easy opening
• Stands on all sides for convenient storage and transport
• Hardware-free assembly — no tools, screws, or glue required
• Compact and durable — ideal for range use or long-term storage
• Built on the BoxLoc platform for a consistent look and modular compatibility with future boxes

Assembly Instructions

1. Join the lid and base
   • Align the lid’s hinge tabs with the grooves on the bottom of the base.
   • Gently slide the lid upward into the hinge slots.
   • When you feel resistance, lightly wiggle the hinge along the pivot joint as you continue sliding upward to help it seat properly.
   • Double version - Because it includes an additional hinge set, you may need to work each hinge section individually, guiding them upward one at a time, a little at a time, to prevent binding or potential breakage.
   • Continue until the lid clicks securely into place and pivots smoothly.
2. Attach the front latches
   • Position the latch so the rounded side inserts into the lid at a slight angle.
   • Lightly squeeze the top of each latch to help them pop into place.
   • Make sure the flat side faces outward, so the finger lip curves toward the box.
   • While the latches will technically fit either way, this orientation provides the best comfort and clearance when opening or closing.
3. Ammo Tray Installation
   • Place the insert tray into the box and press firmly down on all four corners to lock the legs into place. You’ll know it’s fully seated when the top surface sits flush all the way around.
4. Ammo Tray Removal
   • Remove one round from a corner, then insert the end of a pencil (or similar tool) into the empty hole to gently pry the tray upward at an angle. Once it starts to lift, you can continue with the pencil or grab the exposed edges to fully remove the tray from the box.

NEW - Support & Commercial Use Memberships
Supporter and limited commercial license memberships are now available on Patreon @ (https://patreon.com/Layer51).