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Upper and Lower Parts Kits
AR-15 upper and lower parts kits include the essential components needed to complete a reliable rifle build. Tactical Expressions offers curated AR-15 upper and lower parts kits designed for compatibility, proper fit, and consistent performance.
Whether you’re building from scratch or replacing worn components, our parts kits simplify the build process while ensuring dependable operation.
Complete Your Build with AR-15 Parts Kits
AR-15 upper and lower parts kits are designed to streamline the build process by grouping essential components into a single, convenient package. Using a quality parts kit helps ensure compatibility, proper fitment, and consistent function across your rifle.
AR-15 Lower Parts Kits
Lower parts kits include the core components required to assemble the lower receiver, such as trigger components, safety selector parts, takedown pins, springs, and detents. These kits provide the foundation for reliable control and long-term durability.
AR-15 Upper Parts Kits
Upper parts kits typically include components such as the forward assist assembly, dust cover assembly, and related hardware. These parts complete the upper receiver and support proper function and protection during operation.
Compatibility & Fitment
Our AR-15 upper and lower parts kits are designed to fit standard AR-15 platforms unless otherwise noted. Always verify compatibility with your specific receivers and build configuration prior to installation.
Build with Confidence
Whether you’re a first-time builder or an experienced enthusiast, our AR-15 upper and lower parts kits help eliminate guesswork and reduce build time. Explore complete kits designed to support smooth assembly, reliable operation, and clean, professional results.
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