Daniel Defense DDM4 in 6.8 SPC with 14.5-inch barrel and pinned compensator, a premium mid-length patrol carbine in the SOCOM-evaluated intermediate cartridge. Type: Rifle Action: Semi-Automatic Caliber: 6.8 SPC Capacity: 26 Year introduced: 2008, USA Weight: 96 oz Overall length: 33" Status: Discontinued Intended use: Military, Law Enforcement, Tactical