When I was a kid in the early 1980s, I wanted a digital watch in the worst way. Not only was it a cool thing that all my friends had (hey, it was the '80s!), it was also a way around not knowing how to tell time on a traditional clock with hands.
The Special Operations community has been using the FNH USA SCAR (SOF Combat Assault Rifle) for several years. The carbine is now available to the general public in semiautomatic configuration (SCAR 16S).
After years of making various and sundry AR-15 parts, JT Distributing/ DoubleStar Corporation (DSC) began making their Star-15 rifle series. Their black rifles were made on their lowers. A number of parts came from other makers. They tended toward the better class of AR parts.
As you hastily turn the corner, a nasty three-round burst misses your ankles and thighs by only inches, and you are reminded that this is no ordinary range session. Back to cover, you properly "pie" the corner and deliver half a dozen rounds center mass back into your aggressor. The exercise controller signals, "Terminate exercise."