help settle bore diameter argument...

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IPshooter
Posts: 462
Joined: Fri Jul 22, 2005 2:55 pm

help settle bore diameter argument...

Post by IPshooter »

If APs and ARs have 4.5 mm bores, what is the exact metric equivalent of a .22 LR pistol or rifle? It seems that several different conversion software packages differ in their answer.

Stan
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Dogchaser
Posts: 109
Joined: Sun Dec 16, 2007 3:49 am

Post by Dogchaser »

.223" is equal to 5.66420 mm

Use an online calculator to convert anything.

http://www.worldwidemetric.com/metcal.htm
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Richard H
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Post by Richard H »

5.6mm
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