sig sg510
The SIG SG510 is a battle rifle designed and manufactured by Schweizerische Industrie Gesellschaft of Switzerland, chambered for 7.5×55mm GP 11 cartridge or 7.62×51mm NATO. It was adopted for Swiss military service in 1957 until early 1990s. The weapon features roller-delayed blowback mechanism, flip-up iron sights and a perforated tubular barrel shroud.