ChevyGuy91
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Roughly 200 fps difference between a 11.5 and 16 barrel.
A sbr/pistol with a 11.5 barrel your not losing a lot vs a 16" for what most people use them for .
Punching paper at 100 yards or doing different type of action shooting. But you gain having a more compact gun in the same platform .
Pretty sure you could figure out a hand load for a smaller barrel to help the fps you lose.
Here is the post again, in case you were confused.