Before you start scrubbing, it helps to understand what you're working with. The bolt carrier group consists of several discrete parts, each with a specific job and specific failure modes. Bolt Carrier The outer body that houses the bolt and rides inside the upper receiver. During cycling, expanding gas enters the gas key and drives the carrier rearward. The carrier key (also called the gas key) must be properly staked to prevent gas leaks. The inside of the carrier, especially the firing pin c …

Whether you're a seasoned shooter, a first-time gun owner, or somewhere in between, regular firearm cleaning and maintenance is one of the most critical habits you can build. It's not just about preserving your investment — it's about ensuring the tool you rely on for protection, sport, or hunting performs exactly as intended, every single time. In this guide, we'll break down exactly why gun maintenance matters, how often you should clean your firearms, what tools you need, and …