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Old 01-13-2014, 8:36 PM
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Quote:
Originally Posted by hermosabeach View Post
The 5.45 is designed to fly true. Upon impact the bullet will flip as the base of the bullet is heavier than the tip. This creates a huge wound cavity

Bullets cannot tumble in the air. They can rotate 180 degrees and have the heavier rear fly forward.

A 5.45 is similar to a dart being thrown backwards. It naturally wants to flip 180 degrees and have the heaviest part forward. The spin keeps it stabilized in flight.


This is true of many rifle rounds.

Back to the OP

I shot a WASR that was a 5.56 diameter with a 5.45x39 chamber
(Thanks century)

You could still keep them on steel at 100 yards.

So even with the keyhole issue, how does it hit at 100 yards?

Consider keeping it as a solid shooter and rebarreling as it is further shot out.
After seeing that it was keyholing at 25yd I didn't try anything farther than that. Groups were around 3" at 25yd, which is pretty bad.

It's a melonite barrel, it should take a LONG time to shoot it out.

If I end up having to buy another barrel it'll probably be a Ballistic Advantage.
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