The replicas are made of steel and each has sections that articulate/transfer and some is often operated (bolts go) and magazines taken off. Technology plays a great portion here. The ROMEO 1 is motion-activated. What this means is it quickly powers up when movement is sensed and powers down when https://jeffreyydhlm.alltdesign.com/the-greatest-guide-to-firearms-and-weapons-reviews-49379145