The AR-15 is one of the most versatile rifles in America, and choosing the right sight can dramatically impact accuracy, speed, and effectiveness for home defense, competition, hunting, or range fun. Whether you're a beginner building your first AR or a seasoned shooter upgrading your setup, understanding the different sighting systems is essential. In this guide, we'll break down the most popular AR-15 sights, their strengths, weaknesses, and ideal use cases. 1. Iron Sights (Backup Iron Sights …