[harpseal]

The AK-47 round is 7.63 X 39 mm. the Nato round is 7.62 X 51 mm. There is also a Russian round for the Mosin Nagant rifles and there are several other 7.62 rounds that do have metric measurements even though called such as the .303 British.

[MileHi]

What do you know about ghost ring sights? Are they a close range sight? I have never had a chance to use one. I take it they do not work like a peep sight.