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Reference library

Firearms, hunting and wildlife, explained with sources

Guides to rifles, shotguns, handguns, ammunition, optics and archery, plus hunting know-how by species for the United States and Canada. Every page lists the sources behind it.

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Latest

Guide · Handguns

Revolver Cylinder Gap Explained

A revolver cylinder gap is a normal clearance between the cylinder and barrel. Hot gas and particles can exit there during firing, so hand placement matters.

Article · Manufacturers and Brands

Marlin Firearms: Lever-Gun History, Remington Years and Ruger Ownership

Marlin Firearms is best known for American lever action rifles with side loading, side ejection and solid top receivers. Its story runs from John Mahlon Marlin’s New Haven shop through the Remington and Freedom Group years to Ruger’s 2020 purchase and the return of Ruger made Marlin rifles.

Comparison · Product Reviews and Comparisons

Over-Under vs Side-by-Side Shotguns: What Is the Difference?

Over-under shotguns stack two barrels vertically, while side-by-side shotguns place two barrels horizontally. Both are usually break-action doubles, but their sight picture, traditions, and common clay or field uses differ.

Guide · Hunting Guides

Deer Tracks: How to Identify Whitetail and Mule Deer Tracks

Deer tracks are usually recognized by two pointed hoof impressions, a center split and an often heart shaped outline. Whitetail and mule deer tracks overlap, so use size, gait, trail pattern and substrate rather than relying on one print.

How we work

  • Every page lists its sources

    Claims link to manufacturers, agencies and published references, so you can check them yourself.

  • Reviewed by a person

    AI can help research and draft, but a named editor checks and approves every page before it is published.

  • Official rules first

    Hunting and firearm regulations always link to the official agency, with the date we last verified them.

  • Education, not sales

    We do not sell firearms or ammunition and do not host listings or transfers.