| 500grains |
| (.416 member) |
| 04/12/09 03:12 AM |
|
What is the official actual bore and groove dia. of .500 NE?
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Does anyone have a handy reference that lists the actual bore and groove measurements for a .500 NE? I am thinking it is .500 x .509 or .499 x .509, but I am not certain. Thanks.