What am I missing here that allows plastic lowers as legal firearms?
What am I missing here that allows plastic lowers as legal firearms?
"There are no finger prints under water."
they have enough metal in them to be detectable when assembled into a functioning firearm.
They are also designed to accommodate an otherwise non-functional six ounce steel block to comply with the metal detector law.
Jokes on the ATF, becuase I own a Glock 7...
Errrrrrrrrrrrrrrr
Haw haw haw?..