Guides
Guides for responsible owners
Plain-English, practical guides on tracking ammo, logging range sessions, handling transfers, and managing a collection — and how Rangium makes each one effortless.
How to Track Your Ammunition Inventory
What to record, a repeatable method, and how to keep round counts accurate after every range trip.
Keeping a Range Log: Round Counts, Cost & Maintenance
Why logging sessions pays off — spend per round, malfunctions, and round-count-based cleaning.
Private Firearm Sales & FFL Transfers
How private sales and interstate transfers actually work, and how to do them safely and legally.
Gun Collection Management
Cataloging serials and value, documentation for insurance and estate planning, and privacy.
How to Store Ammunition Properly
Ideal conditions, containers, and how long ammo really lasts — plus rotating and labeling your stock.
How Often Should You Clean Your Gun?
A round-count-based cleaning schedule for range guns, carry guns, and corrosive ammo.
What's My Gun Worth? Valuing a Used Firearm
Condition grading, finding real sold comps, and what raises or lowers resale value.
How Much Ammo Should You Keep on Hand?
A practical framework by use case and your real burn rate — not a magic number.
How to Clean a Gun: A Step-by-Step Guide
Safe, from unloading to reassembly — bore, action, lubrication, and a function check.
How to Sight In a Rifle (Zero at 100 Yards)
Get on paper, read your group, and dial the turrets to a confirmed zero.
How to Choose a Gun Safe: A Buyer's Guide
Capacity, fire ratings, security and lock types, and where to place and bolt it.
Is Reloading Worth It? The Real Cost
Equipment vs. per-round savings, which calibers pay off, and where the break-even is.