ETS Smith & Wesson M&P 9mm 21-Round Extended Magazine

This is a Smith and Wesson M&P9 21-round extended magazine from ETS.Constructed with an advanced impact, chemical, and UV-resistant polymer, this aftermarket M&P 9mm extended magazine delivers superior reliability in harsh, demanding conditions.The translucent body makes visual round counts quick and easy, while the creep-resistant design ensures the feed lips and body won't spread, even when fully loaded.Further, a durable internal steel spring, coupled with an anti-tilt polymer follower, delivers ultra-reliable feeding, while a removable baseplate offers easy disassembly for cleaning and maintenance.Better yet, this M&P pistol magazine is 100% American-made and is backed by ETS' lifetime warranty for superior quality and lasting field service.Grab a few ETS M&P9 extended 21-round magazines from GunMag Warehouse and load up your range bag today.Note: This magazine comes equipped with an oversized, controlled-tilt follower and may not lock in place when inserted into your firearm when empty. ETS magazines are designed to be inserted into the magazine well only when loaded. Do NOT attempt to insert an empty/unloaded magazine into your firearm.