Early steel AK-47 magazines are 9.75 in (248 mm) long, and the later ribbed steel AKM and newer plastic 7.62Ã39mm magazines are about 1 in (25 mm) shorter. The transition from steel to mainly plastic magazines yields a significant weight reduction and allows a soldier to carry more ammunition for the same weight.
The world loves the Border Collie for their lively, spirited temperament and their proficiency at dog sports like flyball and Frisbee games. But this breed is also one of the most intelligent, ranking number one on some scales of canine smarts.
Whether this is a measure of pure intelligence or simply biddability, here are some of the small dog breeds considered to be the smartest. #1 â Poodle. While the Standard Poodle is one of the smartest large dog breeds, the Miniature and Toy Poodle both follow closely behind. The Miniature Poodle was originally a truffle hunting dog before it became a companion. Now both smaller versions excel at a variety of dog sports and are easily trained.