The Maxim PDX .300 AAC Blackout AR pistol features a 5.5-inch barrel and an overall length of just 18.75 inches, making it a compact option for close-quarters applications. It is equipped with a patented SCW system, which includes a 4-inch brace system that integrates the bolt carrier group and allows for interchangeable buffer weights, enhancing recoil control and reliability.Key FeaturesCapacity: This model has a 20-round capacity.Safety: Features a manual safety for enhanced user control.Color: Finished in black for a sleek appearance.