I love me a flat trigger shoe. When I saw this “Stinger” trigger from Nelson Precision Manufacturing — a company rapidly gaining notoriety for its AR.5 bottle opener — on CZ-USA’s…

As I’d list the location and functionality of the CZ Scorpion Evo’s factory magazine release as one of the gun’s great features, attempting to “upgrade” it hadn’t really occurred to me….

Ahhh yeah. I do love me some pistol-caliber carbines, and a civvie version of a legit SMG is always good for some smiles. On Friday I picked up a CZ…