Knowledge Base
The FFL & Compliance Library
Searchable, continuously-updated guidance on licensing, NFA, recordkeeping, and running a compliant firearms business.
What Is an FFL and Do You Need One?
A plain-English overview of the Federal Firearms License, who needs one, and the difference between dealing as a hobby and as a business.
How to Get a Home-Based FFL
Operating an FFL from your residence is legal in most states. Here's how to handle zoning, ATF requirements, and recordkeeping.
SOT Class 3 Explained: Dealing in Suppressors & NFA
Becoming a Special Occupational Taxpayer lets your FFL handle NFA items. Here's how Class 01/02/03 work and which you need.
Bound Book Basics: Acquisition & Disposition Records
Your A&D record is the backbone of FFL compliance. Learn what to record, when, and how to survive an ATF inspection.
Preparing for Your ATF Compliance Inspection
What inspectors look for, the most common violations, and how to score yourself before they arrive.
Form 4473: Completing It Correctly Every Time
The Firearms Transaction Record is the most error-prone form in the shop. A field-by-field guide to getting it right.