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.
They're different dog breeds. Border collies are the smartest dog breed and the most common color is black and white but can also be brown and white. Both are great herd â¦ ing dogs but border collies are the best herding dogs because of their intelligence. Border collies also need a job to be happy.