
Product Details
The M4-L89 5.56x45 NATO assembled upper receiver from Sons of Liberty Gun Works is a premium choice for enthusiasts seeking high-performance AR-15 upper receiver assemblies. Featuring a robust 13.9'' barrel and a sleek 13.75'' L89 rail system, this upper receiver is designed to enhance accuracy and versatility, making it ideal for both competitive shooting and tactical applications. Crafted with precision, the M4-L89 is anodized in a striking black finish, ensuring durability and resistance to wear. The 1/2-28 muzzle threading and a 1-7 twist rate optimize the performance of 5.56 NATO ammunition, allowing for improved stability and accuracy with a variety of loads. This assembled upper receiver is compatible with standard AR-15 rifle parts, making it a seamless addition to your firearm collection. Whether you are upgrading your existing setup or building a new rifle from the ground up, the M4-L89 provides the reliability and performance that serious shooters demand. With its in-stock availability, you can enhance your shooting experience without delay. Sons of Liberty Gun Works is renowned for its commitment to quality and innovation, and the M4-L89 upper receiver exemplifies this dedication, offering a perfect blend of functionality and style for any AR-15 enthusiast. Elevate your shooting capabilities with the M4-L89, where precision engineering meets exceptional performance in the world of 5.56 NATO rifle components.