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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 …

The AR 15 is an easily upgradable rifle platform. One of the often-overlooked upgrades is the trigger and fire control group. While it is true that the trigger does not directly affect the overall accuracy of the rifle it does affect the consistency and feel of the weapon. In truth, it is one of the most obvious and critical interaction points between the shooter and the rifle. How the trigger works can have a major effect or impact on the grouping of the shots fired by the AR 15 operator. …

The stock of your AR-15 is one of the most important components to consider. Depending on the intended use, the stocks, buffer tubes, and buffer springs are different. Here are a few things to consider: SizeLookWeightColorShapeUseAdjustable/StationaryThe last of which is very important not to forget. Adjustable stocks make it easier to get the right feel. They also make it easier to store and carry.Mil-spec Buffer Tubes vs Commercial Buffer TubesThere are several different types of buffer …

The Importance of a Quality Lower Parts Kit The importance of a high-quality lower-parts kit (LPK) in building an AR-15 rifle cannot be overstated. A lower parts kit consists of various components essential for your firearm's functionality and reliability. While it might be tempting to opt for a budget-friendly  AR LPK, investing in a top-tier kit can make a significant difference in the performance and longevity of your AR-15. One of the primary reasons why a quality LPK is para …

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 …