Mach Sakai goes for a heavy one in this review as he gets his hands on the RWA M1919 AEG produced in cooperation with Viva Arms. He finds it not as heavy as the M2 support weapon, nevertheless it is still a heavy support AEG. The tripod is easy to setup and is sturdy enough for stable shooting. In his test fire, he says it is smooth to shoot and BBs have a stable trajectory at 10, 20, and 30 metres.
Read the full review here and below is the video version: