Editorial Guidelines

Last updated: April 16, 2026

Precision Ammo is a data site first. Most of what you see on a caliber page — prices, stock, ballistics — is computed from structured sources, not written by hand. These guidelines cover how that data is collected, how human-written pages (guides, best-of lists, descriptions) are produced, and what we promise readers about both.

Our beat

We cover factory ammunition — new, commercially loaded cartridges sold through legitimate retailers in the United States. We do not publish handloading recipes, reloading data, or anything involving powder charges. If you reload, consult the published manuals from the powder, bullet, and primer manufacturers.

Price data

• Source: prices and stock status are pulled from retailer feeds (AvantLink, CJ, direct retailer data) on a schedule.
• Refresh: individual listings may be up to several hours old. We do not claim real-time pricing.
• Cost per round (CPR): computed as price divided by rounds per box. When a retailer lists case quantities, we normalize to per-round.
• No manual price edits. Editors cannot adjust a listing price to make a product look better or worse.
• Verify before buying.Always confirm final price and availability on the retailer's site.

Ballistics data

• Source: manufacturer-published figures for representative factory loads (Federal, Hornady, Winchester, CCI, Lapua, Wolf, etc.). Each ballistics row names its source.
• Barrel length effects: we estimate velocity change from barrel length using a standard approximation (roughly 25 fps per inch for common rifle cartridges, less for handgun and rimfire) from a reference barrel. These are approximations for comparison only — actual results vary by load and firearm.
• No chronograph claims. We do not publish our own chronograph data. Anything you see is sourced from the manufacturer.

Written content

• Caliber descriptions and buying guides are written to help a reader pick between options. They are informed by the same data you can see on the page.
• "Best of" rankings are ordered by cost-per-round within defined quality tiers (match, hunting, plinking, defense). The tier definitions are disclosed on each list.
• No editorial ranking is influenced by a retailer or a manufacturer paying us. See our affiliate policy for the mechanical reasons why.

Corrections

If you spot wrong data — a mislabeled caliber, an outdated price that never refreshed, a ballistics figure that doesn't match the box — email editorial@precisionammo.com with the page URL. We fix data errors in the source and let the next build propagate.

Safety reminder

Ammunition selection depends on your firearm, your use case, and your state and local laws. Information on this site is general and informational — you are responsible for verifying caliber compatibility, legality, and safe use before purchasing or firing any round.