Finish your AR-15 lower receiver with the Delta Deals Finish Your Lower Kit. This complete lower completion package combines a Mil-Spec AR-15 lower parts kit with a complete carbine buffer tube assembly, providing the essential components needed to transform a stripped lower receiver into a functional lower assembly. Featuring a heavy-duty 6-position buffer tube, standard 3 oz carbine buffer, recoil spring, castle nut, receiver end plate, and a complete lower parts kit with fire control group and A2 pistol grip, this kit is an excellent choice for new builds, replacement parts, or rifle upgrades. Designed around Mil-Spec dimensions, these components offer dependable compatibility with most standard AR-15 lower receivers.
The included Mil-Spec lower parts kit provides the internal components required to complete a stripped AR-15 lower receiver. It includes the complete fire control group, magazine catch assembly, bolt catch assembly, safety selector, trigger guard, takedown and pivot pins, springs, detents, installation hardware, and a black A2 pistol grip. Manufactured to Mil-Spec dimensions, these components deliver dependable function and broad compatibility with standard AR-15 platforms.
Supporting the lower receiver is a complete Mil-Spec carbine buffer system featuring a heavy-duty 6-position aluminum buffer tube, standard 3 oz carbine recoil buffer, recoil spring, receiver end plate, and castle nut. This assembly provides the foundation for installing any Mil-Spec compatible adjustable stock while delivering reliable cycling for standard AR-15 rifle configurations.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included.
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