New to the site and I’m sure this has been posted many times.  I am trying to find the muzzle velocity with the following set up.

Factory 69 grain FGMM SMK
16 inch Larue Stealth 1:8 barrel

I am trying to work up an easy MOA chart out to 600 yards.  Any help is much appreciated !

I got 2630 from a 16" Larue Predatar barrel.  It did have a suppressor, which may have added a few FPS.

Four different lots . . .



....

Awesome.  Thank you !!

Do you happen to have the same data for an 18” barrel ?  

I’m also working how to tape a chart to an A2 stock or put together a chart for inside the scope cap.  Any suggestions ?

Attached File


Label printers; these work but get dirty

For taping to the stock, I just use clear packing tape, then hit it with some matte clear spray paint to knock down the shine.

For scope caps, I simply put a target paster on it and write down the range for each mil of elevation.  For example, a .308 zeroed at 200 yards with 175 FGMM might read:
320
420
510
590
660
720
...
Etc

That just means that 1 mil gets me to 320 yards, 2 mils get me to 420 yards, etc.  I figure that if I am using the inside of my scope cap for data, I am in a rush and using my reticle for holds.  If I'm shooting at a range between my numbers, I just compensate accordingly.