The CMMG Banshee Mk4 is a semi-automatic pistol chambered in .300 AAC Blackout (7.62x35mm) with a 7.5-inch barrel and a 30+1 capacity. This configuration features an FDE flat dark earth frame finish paired with black grips. The pistol is built on the Mk4 platform and includes adjustable sights as part of the overall setup. This Banshee Mk4 is used. The compact configuration combines the short 7.5-inch barrel with the semi-automatic action and .300 AAC Blackout chambering. The FDE frame and black grip combination provide a two-tone appearance, and the adjustable sights are included along with a Viridian green dot optic referenced in the title. Additional included accessories are original bag, 2 30rd mags, Viridian green dot and Olight flashlight/green laser combo. The listed configuration includes the adjustable sight setup, 30+1 capacity, semi-automatic action, and the .300 AAC Blackout chambering on the CMMG Mk4-pattern pistol platform.