Mid-length Rattler variant with a 9-inch barrel offering improved velocity over the 5.5-inch while maintaining a compact SBR/pistol profile. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2018, USA Weight: 6 oz Overall length: 19" Status: Active Intended use: CQB, Law Enforcement, Tactical