AR15 Disassembly and Disassembly

Break down your AR-15 upper without damaging parts. This teardown guide shows how to remove the barrel, FSB, ejection port cover, and forward assist—step-by-step with timestamps and tool tips.

AR-15 upper assembly doesn’t have to be complicated. Whether it’s your first build or just your first time doing it right, this step-by-step guide shows exactly how to assemble an AR-15 upper receiver from start to finish. Every tool, every part, every mistake to avoid—laid out clean and simple. TL;DR – Full AR-15 Upper Assembly […]

Learn how to disassemble an AR-15 lower step by step—without damaging parts. This teardown covers every pin, spring, and part from buffer to bolt catch, with clear video timestamps and tools listed. Perfect for deep cleaning, upgrades, or a full lower rebuild.