The bolt carrier group (BCG) serves as the cornerstone of an AR-15 rifle, orchestrating the critical functions of chambering rounds, extracting spent casings, and ensuring the firearm cycles reliably. Often underestimated by new builders, the BCG’s quality directly influences a rifle’s performance, durability, and ease of maintenance. With a saturated market brimming with options, choosing … Continue reading Comprehensive Guide to Popular Bolt Carrier Groups: Brands, Features, and Reviews