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.
Top 10 Dumbest Dog Breeds. For many people, the term dog intelligence is an oxymoron. Dogs are known for being dumb, thanks in large part to unflattering portrayals in popular media (which Iâve long suspected of being controlled by cat people). This stereotype is obviously unfair.