TargetTalk

Posted: **Wed Jan 02, 2008 4:05 pm**

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

Posted: **Wed Jan 02, 2008 4:10 pm**

.223" is equal to 5.66420 mm

Use an online calculator to convert anything.

http://www.worldwidemetric.com/metcal.htm

Posted: **Wed Jan 02, 2008 4:25 pm**

5.6mm

TargetTalk

help settle bore diameter argument...

help settle bore diameter argument...