High capacity cop-killer clips go right through brick.
FWIW the Canadians have done some interesting tests on exactly this topic:
http://www.claybrick.ca/pdf/cmri_bulletproof_project.pdf
I refer you to the youtube link I posted earlier in thread.
In short, for the .556 bullet (AR), it will penetrate most brick wall head on, but won’t penetrate most from a 45 degree angle.
However, the AK 7.62X39 will go through most brick from any angle.
An honest evaluation of things-Enlightening concerning cover vs concealementt
Clips, magazines, or rounds?????
You didn't just call them "clips" did you?????
You left out the rest of the sentence
'when the clip is fastened to a projectile and fired from a 75mm cannon.