The Barrett REC7 is a piston-driven semi-automatic rifle built on the AR-15 platform, developed as a military infantry rifle competing in the SCAR and XM8 evaluations. The 6.8 SPC configuration reflects the US military's early-2000s interest in a cartridge that bridged 5.56 and 7.62 NATO. The REC7 features Barrett's short-stroke piston system and a non-reciprocating charging handle. Type: Rifle Action: Semi-Automatic Caliber: 6.8 SPC Capacity: 30 Year introduced: 2008, USA Weight: 118.4 oz Overall length: 36" Status: Discontinued Intended use: Military, Precision Shooting