Sigma 19mm 30mm 60mm Art Line Lenses Unboxing & First Look … these new super sleek lenses look the part. They feature a redesign that also makes them perform quieter …
The XM813 is an improvement of the 30mm MK 44 gun developed for the Future Combat Systems (FCS) Program, and is a part of the broader Advanced Lethality and Accuracy …
*Read this please: I found this machine in an ad from Gearbest.com. It is the tiniest quad-copter I have ever seen to date but not using the shaft to shaft …