From the unboxing video fo the new Umarex PSG1 Gas Blowback Rifle made by VFC, BB2K Airsoft does a comprehensive review of the GBBR that comes equipped with the Hensoldt ZF 6x42 PSG1 Scope and Garbini PSG1 Tripod. Also included here is a disassembly of the gas blowback... "Developed in the 1980s, the Heckler & Koch PSG-1 is one of the most iconic sniper rifles in the world with a reputation for unsurpassed accuracy and quality.