| 93x64mm |
| (.416 member) |
| 19/03/24 07:08 AM |
Re: Bore size chart
|
There is a formula that when applied should give us the above gauge to inch comparisons.
https://en.wikipedia.org/wiki/Gauge_(firearms)
From this the 410 is nearly 68 gauge!
Varies down from there to 100 gauge = 9.14mm / 0.3598"