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When building or upgrading an AR-15, selecting the right lower Parts Kit is crucial to functionality and reliability. These kits include the essential components needed to complete your lower receiver, such as trigger assemblies, selector switches, pins, and springs, making them a cornerstone of any AR-15 build. Whether assembling your first rifle or enhancing a seasoned platform, a quality lower-parts kit ensures smooth operation and optimal performance. One of the most significant …

The Importance of Choosing the Right Lower Parts Kit When building or upgrading an AR-15, the lower parts kit (LPK) is one of the most essential components to consider. These kits include critical parts like the trigger, safety selector, and bolt catch, directly impacting your rifle's performance, reliability, and ease of use. Whether assembling a custom AR-15 from scratch or replacing worn-out components, selecting a high-quality  AR-15 lower parts kit ensures your rifle functions …