Field notes

Guides

3D render of a Cyber Green BrassGrid case holding 25 shells of 12 gauge
Oct 06, 2026

Shotgun Shell Storage: 12 and 20 Gauge Case Sizes

Real case sizes for 12 and 20 gauge shells, how shell length changes them, and how to keep shells dry and sorted by load.

Black slide-off lid case for 100 rounds of .45 ACP with the caliber printed on the lid
Oct 06, 2026

How to Store Ammunition Safely at Home

The basics of storing ammunition safely at home - access, location, heat, organization - and what to check in your local laws and fire co...

Black range case with 50 rounds of 9mm, two Glock 17 magazines, ear plugs and a magazine loader
Oct 06, 2026

Range Bag Checklist: What to Pack and How to Organize It

Everything worth bringing to the range, plus a simple way to organize it: one case per platform with rounds, magazines and small gear in ...

Black ammo case with 5.56 / .223 and 100 RDS printed on the lid in green
Oct 06, 2026

How to Label Ammo Boxes by Caliber (and Why It Matters)

Why every ammo box needs a clear caliber label, how markers, stickers and color coding compare, and how a printed lid marking makes it pe...

Galaxy Purple 3D-printed PLA case holding 50 rounds of .308 Win
Oct 06, 2026

Are 3D-Printed Ammo Cases Any Good? PLA vs PETG vs Molded Plastic

An honest look at 3D-printed ammo cases: why the fit is their big advantage, how PLA compares with PETG and molded plastic, and where not...

Hinged lid case and slide-off lid case side by side, each holding 100 rounds of 9mm
Oct 06, 2026

Hinged vs Slide-Off Lid Ammo Boxes: Which Should You Choose?

A side-by-side look at hinged and slide-off lid cases - size, how they open, what they are best for - with real dimensions for the same l...

Galaxy Blue case holding four AR-15 magazines and 40 rounds of 5.56
Oct 06, 2026

How to Store AR-15 Magazines: Loaded or Empty, and in What

Whether to store magazines loaded, how to protect feed lips, and how big a case for four or six AR-15 30-round magazines really is.

Cyber Green slide-off lid case for 100 rounds of 9mm with 9MM / 100 RDS printed on the lid
Oct 06, 2026

9mm Ammo Case Size Guide: 50, 100 and 200 Rounds

Exact outer dimensions for 9mm cases holding 50, 100 and 200 rounds, with hinged or slide-off lids, and what changes when you add magazines.

RGB Metallic case with fitted pockets for 9mm, .45 ACP, 5.56 and .308 rounds
Oct 06, 2026

How Many Rounds Fit in an Ammo Case? Pocket Sizes by Caliber

The number of rounds a case holds comes down to the cartridge rim diameter and length. This table gives pocket size, spacing and rounds p...

Black hinged case holding 100 rounds of 9mm and four Glock 19 magazines
Oct 06, 2026

How to Store Ammo Long-Term: Temperature, Humidity and Containers

Keep ammunition cool, dry and at a steady temperature in a closed container, away from heat, sun and solvents. Here is what damages ammo,...