I call this one FuManChew. If you ain't careful putting your finger in this China Man's mouth you'll know why. Just ask the squzzel how it shoots. He was in the tree past the pole behind the shed. I pointed old FMC at him and he stood up and laughed. Right thru the neck. He quit laughing about halfway to the ground.
The WF 600's widbillwholesale.com has are the black plastic stock ones.