gary brezinski
Member
sir,
can the 30 hart be used for shooting the 240 grain sierra bullets and be made to go 3000 fps from a 30 in barrel?do you need a 1 in 9 twist or can a 1 in 10 twist work?
gary b.
can the 30 hart be used for shooting the 240 grain sierra bullets and be made to go 3000 fps from a 30 in barrel?do you need a 1 in 9 twist or can a 1 in 10 twist work?
gary b.
