SKU: DBSTAR270
UPC: 841348103417
The Doublestar LPK 556 Black is a complete lower parts kit engineered for AR-15 builds that demand precision trigger control and mil-spec durability. Doublestar Corp. manufactures this lower parts kit using only the highest-quality American components, with the fire control group constructed from mil-spec heat-treated 8620 steel and finished on all contact surfaces to deliver a crisp trigger pull with minimal creep and drag.
The LPK 556 includes coiled steel spring pins and an additional takedown detent and spring, providing shooters with redundancy for field maintenance and reliability under sustained use. The mil-spec heat treatment on the trigger assembly ensures the fire control group maintains its performance consistency across thousands of rounds, critical for both duty and training applications. These are the components that directly affect trigger performance, and Doublestar's commitment to material specification translates to a more predictable break and faster shot-to-shot transitions.
This kit serves operators building service rifles, trainers assembling duty-grade platforms, and precision shooters who understand that the lower parts assembly is the foundation of trigger consistency. Whether assembling an AR for patrol duty, range training, or tactical deployment, the LPK 556 delivers the component quality that separates properly built rifles from assembly-line compromises. Compact and purpose-built, this lower parts kit integrates seamlessly into any AR-15 lower receiver platform and is sized for rapid installation.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
