Golgy a Sunday Gamer checks out the JG S77 DMR "Begadi Upgrade" AEG. Based on the Steyr AUG design, this is an AEG which for German regulaions, is an S-AEG. It comes with 21mm rails for mounting weapons accessories, a telescopic 3-9x40 EG with illuminated reticle, Begadi CORE MOSFET, and quick spring change feature.