For years, the AR-15 buying playbook was simple: grab a budget rifle around $500, then spend the next 18 months dumping money into upgraded triggers, handguards, furniture, and controls until you had something that actually performed the way you wanted. Or, skip all that headache and drop $2,000+ on a Daniel Defense, BCM, or full Gucci build straight out of the gate. That was the binary choice. Endure the grind or pay the premium. That calculus is changing — fast. A new category of rifle h …

Buying an AR rifle (commonly the AR-15 platform) online offers convenience, but state restrictions create a complex legal landscape. Federal law requires all interstate firearm transfers to go through a licensed FFL dealer, while many states impose additional bans, feature restrictions, waiting periods, or permitting requirements. This guide covers everything you need to know about purchasing AR rifles online in 2026, including banned states, compliant configurations, and tips for legal complian …

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 …