308 SMK 168 N140 44.5G

[ANDY T]

Hi
Can anyone tell what this load will give me in fps as i don't have access to a chronograph.
308 SMK 168 N140 44.5G

Thanks
Andy

 

[manitou210]

Andy my Vihtavuori manual says max load is 42.8gr 2548fps/168gr Sierra HPBT with a 24' BARREL 1/12 TWIST !!!
manitou

 

[shanmoll308]

Hey Andy.
Not sure what length barrel you use but from a 30" 1 in 12 twist barrel, 44.5g of VV N140, 168g SMK you can expect 2790 fps.. and they shot very well at that.

Adrian