Aero Precision Lower Parts Kit

Discover precision and reliability with Aero Precision USA's Lower Parts Kits, expertly designed for the AR15, M4, M4E1, and M5 platforms. Whether you're building a new rifle or upgrading an existing one, our lower parts kits provide everything you need for a seamless assembly and optimal performance.

Our kits include high-quality components such as trigger assemblies, bolt catch assemblies, magazine catch assemblies, and selector assemblies, among other essential parts. Each piece is crafted to exacting standards, ensuring perfect fit and function every time. We understand that reliability is paramount, which is why our kits undergo rigorous testing to meet the demanding requirements of both professional builders and enthusiasts alike.

The Aero Precision Lower Parts Kits are available in various configurations to suit your specific needs. From standard kits to enhanced versions featuring upgraded components, we have options that cater to every level of customization and performance expectation. Whether you're aiming for a tactical build or a precision shooting setup, our kits provide the foundational elements necessary to achieve your goals.

Choose Aero Precision USA for your lower parts kit needs and experience unmatched quality, durability, and performance. Elevate your build with confidence, knowing you’re backed by a brand that prioritizes excellence and customer satisfaction. Your next build starts here—equip it with the best.