AR15 Build Kits

Simplify your AR-15 project with complete build kits from Crossfire Gunsmith & Firearms in Lexington, SC. Why source individual components when you can get everything needed for your build in one convenient, guaranteed-compatible package?

Our AR-15 build kit selection includes basic kits with essential components and premium packages with enhanced parts. Whether you’re building your first AR or completing a specialized project, these kits provide everything needed for successful assembly.

Quality build kits feature matched components, proper tolerances, and guaranteed compatibility across all parts. From basic carbine configurations to precision DMR setups, complete kits eliminate guesswork while ensuring reliable function and optimal performance.

Need individual upgrades? Check out our AR-15 lowers and browse AR-15 uppers for receiver options.