Ultra-compact 5.5-inch MCX variant in 300 BLK. One of the smallest and quietest suppressor hosts on the market when paired with a can. Type: Pistol Action: Semi-Automatic Caliber: 300 Blackout Capacity: 30 Year introduced: 2017, USA Weight: 68 oz Overall length: 16" Status: Active Military use: Yes Intended use: Tactical, Military, Law Enforcement