| Iowa_303s |
| (.400 member) |
| 22/10/18 02:09 PM |
Re: Caliber's choice for hunting
|
Daryl, you’ll need a minimum of 1:8” for those 80 grain Sierra sardines.
My .223 Remington with a 1:8” handles them just fine out to 600 yards in service rifle competition.
I do know some guys go with a 1:7.7” twist just to be sure.