been in war. seen men get shot multiple times in the torso with 5.56mm fired from an m4. real up close and personal. trust me, it's no manstopper. does it kill? sure, but so can a pencil.
I believe you are both correct, it appears to be a P.A. luty design, but the housing is printed polymer instead of weilded steel. of course the barrel would steel be steel pipe as per original design.
i agree