Magpul PMAG Gen M3, .223/5.56 NATO 20 RD Polymer, Black Magazine
Along with expanded feature set and compatibility, the GEN M3 incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed rigorous military performance specifications.
This AR15 Buffer Tube Foam Pad is made from NPVC (also known as NBR or Nitrile), a durable material with good abrasion resistance and high tensile strength