BCM M4 Multi-Caliber Upper Assembly Black Anodized

The BCM M4 Upper Receiver Assembly is crafted with precision from 7075-T6 aluminum, ensuring exceptional durability and strength. Its hard coat black anodized finish not only enhances its resilience but also gives it a sleek appearance. Designed for versatility, this upper assembly is compatible with multiple calibers, making it a versatile choice for various shooting needs. Equipped with a Mil-Std 1913 Rail, it allows for easy mounting of optics and accessories to suit your tactical requirements. The Mil-Spec forward assist features a heat-treated tool steel pawl, ensuring reliable performance and longevity. Please note that additional components such as a charging handle, barrel, handguard, gas block, muzzle device, gas tube, and bolt carrier group are necessary to complete the assembly.