Definitely not the Magpul, max COAL is only 3.50"
AI, MDT or Accurate Mag - Standard (3.715") mags will allow for 3.625-3.675" COAL, and CIP length (3.850") will allow for 3.750" COAL. Downside to the metal mags is they may require slight tweaking/bending to get them to feed optimally.