Originally Posted by lorvan
Hello Jim, thank you.
I still do not know how to regulate the gas system of this rifle that I bought from a few days.
I would have thought of a more bullet weigh, as 168 grains with a 1:10 barrel, but perhaps a 150 grain is better, more speed, less drop until 500 yard I think.
And for the target shooting what do you use?
The 150gr can be made to work as long as you use the right powder.
The Ball ammo (Full metal jacket) is around 147grs and it shoots OK ,and
they use ball powder but I'm not sure how much and what kind.
I recommended the 168 SMK because it was close to the military white box match (173gr full
patch boat tail bullet) and the 168 is used in the M 852 match. Also it has better BCs that
lighter bullets (better for shooting 600 and 1000 yards).
The loads listed earlier have the right port pressure so you don't have to mess with the gas
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