CheyTac haven't earned themselves a very good name over the last few years with that whole .408 thing.
It appears all isn't as it seems.
There's a guy on here from the AMU, Epraslick, Emil Praslick. He's a member of the US Palma team and a well established shooter in the US of A.
He was part of the team that was tasked with evaluating that thing.
The story IIRC, Cheyanne Tactical turn up at the range with their system and set it up to fire at the target at 1000yds.
They plug in the laptop, do some calculations and fire a shot.............it misses.
They they go into a huddle for 10 mins and then announce that they forgot to calculate the earths rotation
, fire a second shot.......and miss.
The brass say "Thank you gentlemen, We think we've seen enough for today".
Cheyanne Tactical get their coats.
Then they say that there are many militaries throughout the world that have adopted it, when actually none have.
Then they announce that they will sell it to the US public, but only in a less accurate form than what is offered to the Military.......so the American shooting community do what they do best and round on them.
Needless to say their reputation suffered after that.
Rob the Diggle sniper Hunter had one built and 3 people from this forum saw him repeatedly miss a 6' x 6' steel plate at 600yds at Warcop before he packed it away and went home