CMMG Banshee 300 in FN 5.7x28mm using FN P90 or Five-seveN compatible magazines. Offers extremely high-capacity, low-recoil PCC performance with the armor-defeating cartridge design, in Radial Delayed Blowback configuration. Type: Rifle Action: Semi-Automatic Caliber: 5.7x28mm Capacity: 40 Year introduced: 2019, USA Weight: 72 oz Overall length: 16" Status: Active Intended use: Home Defense, Competition, CQB