Lot's of possibilities.
We know the lower and BCG, what else is the rifle comprised of?
Did you build the upper or buy one outright?
Just simplify this and list all the parts in your rifle, including what mags you are using.
Last edited by Sticks; 12-19-12 at 06:23.
Sticks
Grasseater // Grass~eat~er noun, often attributive \ˈgras-ē-tər\
A person who is incapable of independent thought; a person who is herd animal-like in behavior; one who cannot distinguish between right and wrong; a foolish person.
See also Sheep
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