The HK SL7 is a semi-automatic hunting rifle produced by Heckler & Koch and marketed under the Walther brand in some European markets, using the G3's roller-delayed blowback mechanism in a sporting stock configuration. The 17.7-inch barrel chambers 7.62x51mm NATO and is intended for European driven game hunting. The 3-round magazine satisfies German hunting regulations. A rare cross-branding artifact from an era when HK explored civilian sporting markets more aggressively. Type: Rifle Action: Semi-Automatic Caliber: 7.62x51mm Capacity: 3 Year introduced: 1980, Germany Weight: 193 oz Overall length: 39.8" Status: Discontinued Intended use: hunting, collector