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Every year we sell thousands of AR 15 lower parts kits. With many of them as part of AR 15 lower build kits. We thought that we should share our bestselling AR 15 lower build kits and explain why they are so popular.For those who like building every aspect of their AR, the lower build kit is the best way to get all of the necessary parts to complete the stripped lower receiver they purchased from their dealer with an FFL. What's in a lower build kit?Everything you need to complete the assembly o …

BRD’s FAB Defense GLR-16 AR 15 Lower Build KitThe FAB Defense GLR-16 AR 15 Lower Build Kit is a superb upgrade for your rifle. It provides you with enhanced versatility with its stock extension and optional adjustable cheek rest.This BRD exclusive kit features: The GLR-16 Stock has uniquely designed rubber butt pad for fast and stable shoulder positioningThe GLR-16 Stock comes equipped with unique patented “anti-rattle” mechanism, so it fits perfectly on both Mil-Spec and commercial after- …

Comparing AR 15 Lower Build Kits: Unraveling the DifferencesIn assembling AR-15s, it's critical to understand that not all lower-build kits are identical. Gaining insight into these kits' essential components and differences can significantly streamline your build process, ensuring you have the perfect parts customized to your specific build needs. This blog post aims to shed light on these areas.Our previous discussion explored some of the best lower parts kits available at Black Rifl …