A Palmetto State Armory upper receiver chambered in .450 Bushmaster is a popular combination for AR-15 platform rifles. This specific cartridge and upper receiver pairing is favored for hunting medium-sized game at shorter to medium ranges due to the cartridge’s large diameter and heavy bullet weight. Typically, these uppers feature a direct impingement or piston operating system and are available in various barrel lengths and configurations to suit individual needs. The .450 Bushmaster cartridge itself is a straight-walled, rimless design known for its substantial stopping power.
This combination offers hunters a powerful and relatively affordable option for taking down deer, hogs, and black bear. The straight-walled cartridge design often adheres to hunting regulations in states that restrict bottle-necked cartridges. The modularity of the AR-15 platform allows for easy customization and maintenance. Furthermore, the readily available components and ammunition contribute to the widespread adoption of this particular setup among hunting enthusiasts. This increasing popularity has also driven innovation in related accessories like optics, mounts, and muzzle devices.