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.
1. Labrador Retriever The Labrador retriever is a stocky, intelligent, and even-tempered dog; it is the most popular dog in the USA. 2. Yorkshire Terrier A small, intelligent, long-haired dog that is a wonderful companion. 3. German Shepherd A hard-working, herding dog that was originally from Germany. 4. Golden Retriever A friendly, intelligent, energetic, and very popular dog. 5.