To handle this, Gyrojets are spin stabilized — angled rocket nozzles would spin the bullet up to rotational speeds higher than most rifle rounds. While they may sound a bit like child’s toy ...

It is measured in inches per turn; essentially, it indicates how many inches of barrel the bullet travels before completing one full rotation ...

whether or not the sniper is shooting over a body of water (it can create a mirage), the shape of the bullet, and spin drift of the round. "We ended up hitting it," Bernius said. "That ...