Sons of Liberty Gun Works M4-89 5.56 NATO 13.7 Inch Upper Receiver Mid-Length Gas System 1:7 Twist Rate Anodized Finish Assembled Upper Receiver

The M4-89 5.56X45 NATO 13.7'' Barrel AR-15 Upper Receiver from Sons of Liberty Gun Works is a premium choice for enthusiasts seeking combat-grade firearms that deliver exceptional performance and reliability. This assembled upper receiver features a robust 13.7'' barrel crafted with a 1:7 twist rate, ensuring optimal accuracy and stability for a variety of shooting applications. The mid-length gas system enhances the overall shooting experience by providing a smoother recoil impulse, making it ideal for both tactical scenarios and recreational shooting. The M89 rail offers ample space for mounting accessories, while the NOX brake significantly reduces muzzle rise, allowing for quicker follow-up shots. Finished in a sleek black anodized coating, this upper receiver not only boasts durability but also a modern aesthetic that complements any AR-15 build. Designed specifically for the 5.56 NATO cartridge, the M4-89 is compatible with a wide range of rifle parts and gun parts, making it a versatile addition to your collection. Whether you are a competitive shooter or a dedicated hobbyist, the M4-89 upper receiver is engineered to meet the demands of serious firearms enthusiasts. Elevate your AR-15 platform with this high-quality upper assembly, and experience the precision and performance that Sons of Liberty Gun Works is known for. Please note that this product is currently out of stock, but it remains a sought-after option for those looking to enhance their firearm capabilities.