The SV variant of the PTS Masada gets its own gas blowback version and it's now at eHobby Asia... "The Streamline Version (SV) is the economy model of the PTS Masada. This Deluxe Version Masada include PTS 39 round Metal PMAG, Multi-Adjustable Buttstock, Aluminum Alloy ACR Handguard and MBUS2 Front / Rear Sight.