Designed for the rigors of concealed carry, the Nano's magazine and follower are constructed entirely of polished stainless steel. The polymer floorplate completely covers the bottom of the Nano's gripframe to reduce the introduction of foreign contaminants and create a uniform grip.
Many companies make knock off magazines as I would call them and respectfully to help everyone with a budget. What I've found for over 30 years of shooting and over 30 years of Beretta Guns, NOTHING Beats Beretta Factory Magazines for a Beretta. Whether its at the Range or Personal Protection...the ONLY Magazine I trust in a Beretta is a FACTORY Magazine. I've never had a Magazine related problem and Rarely a failure to feed or Failure to fire. IF I Did, it was the ammo and NOT the Magazine. You'll pay a few dollars more but when I carry concealed, Beretta Factory is the ONLY Way to go. Good Shooting Everyone....