Submit search
We are excited and pleased to introduce the MEAN EndoMag™. This product is a magazine insert that converts your Gen 2 or Gen 3 5.56/.223 PMAG® housing into a 9mm magazine to use with a standard AR lower and 9mm upper of your choosing with a Glock or Colt variant 9mm BCG.Here is a list of features with the Mean Arms 9mm Magazine Adapter:
Key Functions